Home / 74,320.20-102,555.09-44,100.31

Finding the Fourth Proportional to 74,320.20, 102,555.09 and 44,100.31

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Solution

The fourth proportional to 74,320.20, 102,555.09 and 44,100.31 is: 60,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.20 : 102,555.09 = 44,100.31 : x
  2. Step 2: Convert to fraction form
    74,320.20/102,555.09 = 44,100.31/x
  3. Step 3: Cross multiply
    74,320.20x = 102,555.09 × 44,100.31
  4. Step 4: Simplify right side
    74,320.20x = 4,522,711,261.08
  5. Step 5: Solve for x
    x = 4,522,711,261.08/74,320.20
  6. Step 6: Final answer
    x = 60,854.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.