Home / 74,323.53-102,565.94-40,331.15

Finding the Fourth Proportional to 74,323.53, 102,565.94 and 40,331.15

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Solution

The fourth proportional to 74,323.53, 102,565.94 and 40,331.15 is: 55,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,323.53 : 102,565.94 = 40,331.15 : x
  2. Step 2: Convert to fraction form
    74,323.53/102,565.94 = 40,331.15/x
  3. Step 3: Cross multiply
    74,323.53x = 102,565.94 × 40,331.15
  4. Step 4: Simplify right side
    74,323.53x = 4,136,602,668.27
  5. Step 5: Solve for x
    x = 4,136,602,668.27/74,323.53
  6. Step 6: Final answer
    x = 55,656.70

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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.