Home / 74,324.27-102,566.98-40,331.90

Finding the Fourth Proportional to 74,324.27, 102,566.98 and 40,331.90

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Solution

The fourth proportional to 74,324.27, 102,566.98 and 40,331.90 is: 55,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,324.27 : 102,566.98 = 40,331.90 : x
  2. Step 2: Convert to fraction form
    74,324.27/102,566.98 = 40,331.90/x
  3. Step 3: Cross multiply
    74,324.27x = 102,566.98 × 40,331.90
  4. Step 4: Simplify right side
    74,324.27x = 4,136,720,567.00
  5. Step 5: Solve for x
    x = 4,136,720,567.00/74,324.27
  6. Step 6: Final answer
    x = 55,657.73

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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.