Home / 74,257.26-102,468.69-42,419.94

Finding the Fourth Proportional to 74,257.26, 102,468.69 and 42,419.94

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Solution

The fourth proportional to 74,257.26, 102,468.69 and 42,419.94 is: 58,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.26 : 102,468.69 = 42,419.94 : x
  2. Step 2: Convert to fraction form
    74,257.26/102,468.69 = 42,419.94/x
  3. Step 3: Cross multiply
    74,257.26x = 102,468.69 × 42,419.94
  4. Step 4: Simplify right side
    74,257.26x = 4,346,715,681.68
  5. Step 5: Solve for x
    x = 4,346,715,681.68/74,257.26
  6. Step 6: Final answer
    x = 58,535.90

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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.