Home / 74,213.70-111,320.55-60,216.90

Finding the Fourth Proportional to 74,213.70, 111,320.55 and 60,216.90

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Solution

The fourth proportional to 74,213.70, 111,320.55 and 60,216.90 is: 90,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,213.70 : 111,320.55 = 60,216.90 : x
  2. Step 2: Convert to fraction form
    74,213.70/111,320.55 = 60,216.90/x
  3. Step 3: Cross multiply
    74,213.70x = 111,320.55 × 60,216.90
  4. Step 4: Simplify right side
    74,213.70x = 6,703,378,427.30
  5. Step 5: Solve for x
    x = 6,703,378,427.30/74,213.70
  6. Step 6: Final answer
    x = 90,325.35

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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.