Home / 74,358.86-102,634.17-42,537.74

Finding the Fourth Proportional to 74,358.86, 102,634.17 and 42,537.74

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Solution

The fourth proportional to 74,358.86, 102,634.17 and 42,537.74 is: 58,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,358.86 : 102,634.17 = 42,537.74 : x
  2. Step 2: Convert to fraction form
    74,358.86/102,634.17 = 42,537.74/x
  3. Step 3: Cross multiply
    74,358.86x = 102,634.17 × 42,537.74
  4. Step 4: Simplify right side
    74,358.86x = 4,365,825,638.58
  5. Step 5: Solve for x
    x = 4,365,825,638.58/74,358.86
  6. Step 6: Final answer
    x = 58,712.92

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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.