Home / 89,988.11-124,184.52-49,702.89

Finding the Fourth Proportional to 89,988.11, 124,184.52 and 49,702.89

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Solution

The fourth proportional to 89,988.11, 124,184.52 and 49,702.89 is: 68,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,988.11 : 124,184.52 = 49,702.89 : x
  2. Step 2: Convert to fraction form
    89,988.11/124,184.52 = 49,702.89/x
  3. Step 3: Cross multiply
    89,988.11x = 124,184.52 × 49,702.89
  4. Step 4: Simplify right side
    89,988.11x = 6,172,329,537.26
  5. Step 5: Solve for x
    x = 6,172,329,537.26/89,988.11
  6. Step 6: Final answer
    x = 68,590.50

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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.