Home / 74,081.10-102,231.14-40,088.85

Finding the Fourth Proportional to 74,081.10, 102,231.14 and 40,088.85

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Solution

The fourth proportional to 74,081.10, 102,231.14 and 40,088.85 is: 55,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081.10 : 102,231.14 = 40,088.85 : x
  2. Step 2: Convert to fraction form
    74,081.10/102,231.14 = 40,088.85/x
  3. Step 3: Cross multiply
    74,081.10x = 102,231.14 × 40,088.85
  4. Step 4: Simplify right side
    74,081.10x = 4,098,328,836.79
  5. Step 5: Solve for x
    x = 4,098,328,836.79/74,081.10
  6. Step 6: Final answer
    x = 55,322.19

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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.