Home / 74,244.89-102,458.65-40,253.29

Finding the Fourth Proportional to 74,244.89, 102,458.65 and 40,253.29

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Solution

The fourth proportional to 74,244.89, 102,458.65 and 40,253.29 is: 55,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,244.89 : 102,458.65 = 40,253.29 : x
  2. Step 2: Convert to fraction form
    74,244.89/102,458.65 = 40,253.29/x
  3. Step 3: Cross multiply
    74,244.89x = 102,458.65 × 40,253.29
  4. Step 4: Simplify right side
    74,244.89x = 4,124,297,239.17
  5. Step 5: Solve for x
    x = 4,124,297,239.17/74,244.89
  6. Step 6: Final answer
    x = 55,549.91

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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.