Home / 74,199.16-111,249.28-38,572.92

Finding the Fourth Proportional to 74,199.16, 111,249.28 and 38,572.92

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Solution

The fourth proportional to 74,199.16, 111,249.28 and 38,572.92 is: 57,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,199.16 : 111,249.28 = 38,572.92 : x
  2. Step 2: Convert to fraction form
    74,199.16/111,249.28 = 38,572.92/x
  3. Step 3: Cross multiply
    74,199.16x = 111,249.28 × 38,572.92
  4. Step 4: Simplify right side
    74,199.16x = 4,291,209,577.50
  5. Step 5: Solve for x
    x = 4,291,209,577.50/74,199.16
  6. Step 6: Final answer
    x = 57,833.67

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Double scale
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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.