Home / 74,089.29-102,242.43-40,097.04

Finding the Fourth Proportional to 74,089.29, 102,242.43 and 40,097.04

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Solution

The fourth proportional to 74,089.29, 102,242.43 and 40,097.04 is: 55,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,089.29 : 102,242.43 = 40,097.04 : x
  2. Step 2: Convert to fraction form
    74,089.29/102,242.43 = 40,097.04/x
  3. Step 3: Cross multiply
    74,089.29x = 102,242.43 × 40,097.04
  4. Step 4: Simplify right side
    74,089.29x = 4,099,618,805.41
  5. Step 5: Solve for x
    x = 4,099,618,805.41/74,089.29
  6. Step 6: Final answer
    x = 55,333.49

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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.