Home / 99,747.48-137,527.02-63,878.52

Finding the Fourth Proportional to 99,747.48, 137,527.02 and 63,878.52

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Solution

The fourth proportional to 99,747.48, 137,527.02 and 63,878.52 is: 88,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747.48 : 137,527.02 = 63,878.52 : x
  2. Step 2: Convert to fraction form
    99,747.48/137,527.02 = 63,878.52/x
  3. Step 3: Cross multiply
    99,747.48x = 137,527.02 × 63,878.52
  4. Step 4: Simplify right side
    99,747.48x = 8,785,022,497.61
  5. Step 5: Solve for x
    x = 8,785,022,497.61/99,747.48
  6. Step 6: Final answer
    x = 88,072.63

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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.