Home / 74,571.03-111,856.55-30,167.24

Finding the Fourth Proportional to 74,571.03, 111,856.55 and 30,167.24

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Solution

The fourth proportional to 74,571.03, 111,856.55 and 30,167.24 is: 45,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.03 : 111,856.55 = 30,167.24 : x
  2. Step 2: Convert to fraction form
    74,571.03/111,856.55 = 30,167.24/x
  3. Step 3: Cross multiply
    74,571.03x = 111,856.55 × 30,167.24
  4. Step 4: Simplify right side
    74,571.03x = 3,374,402,679.30
  5. Step 5: Solve for x
    x = 3,374,402,679.30/74,571.03
  6. Step 6: Final answer
    x = 45,250.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.