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Finding the Fourth Proportional to 61,177.59, 84,335.72 and 43,240.95

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Solution

The fourth proportional to 61,177.59, 84,335.72 and 43,240.95 is: 59,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,177.59 : 84,335.72 = 43,240.95 : x
  2. Step 2: Convert to fraction form
    61,177.59/84,335.72 = 43,240.95/x
  3. Step 3: Cross multiply
    61,177.59x = 84,335.72 × 43,240.95
  4. Step 4: Simplify right side
    61,177.59x = 3,646,756,435.53
  5. Step 5: Solve for x
    x = 3,646,756,435.53/61,177.59
  6. Step 6: Final answer
    x = 59,609.35

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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.