Home / 74,193.85-102,422.97-42,356.59

Finding the Fourth Proportional to 74,193.85, 102,422.97 and 42,356.59

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Solution

The fourth proportional to 74,193.85, 102,422.97 and 42,356.59 is: 58,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,193.85 : 102,422.97 = 42,356.59 : x
  2. Step 2: Convert to fraction form
    74,193.85/102,422.97 = 42,356.59/x
  3. Step 3: Cross multiply
    74,193.85x = 102,422.97 × 42,356.59
  4. Step 4: Simplify right side
    74,193.85x = 4,338,287,746.87
  5. Step 5: Solve for x
    x = 4,338,287,746.87/74,193.85
  6. Step 6: Final answer
    x = 58,472.34

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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.