Home / 99,335.52-137,083.98-56,893.14

Finding the Fourth Proportional to 99,335.52, 137,083.98 and 56,893.14

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Solution

The fourth proportional to 99,335.52, 137,083.98 and 56,893.14 is: 78,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.52 : 137,083.98 = 56,893.14 : x
  2. Step 2: Convert to fraction form
    99,335.52/137,083.98 = 56,893.14/x
  3. Step 3: Cross multiply
    99,335.52x = 137,083.98 × 56,893.14
  4. Step 4: Simplify right side
    99,335.52x = 7,799,138,065.90
  5. Step 5: Solve for x
    x = 7,799,138,065.90/99,335.52
  6. Step 6: Final answer
    x = 78,513.08

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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.