Home / 89,691.63-123,774.45-49,405.27

Finding the Fourth Proportional to 89,691.63, 123,774.45 and 49,405.27

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Solution

The fourth proportional to 89,691.63, 123,774.45 and 49,405.27 is: 68,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,691.63 : 123,774.45 = 49,405.27 : x
  2. Step 2: Convert to fraction form
    89,691.63/123,774.45 = 49,405.27/x
  3. Step 3: Cross multiply
    89,691.63x = 123,774.45 × 49,405.27
  4. Step 4: Simplify right side
    89,691.63x = 6,115,109,255.45
  5. Step 5: Solve for x
    x = 6,115,109,255.45/89,691.63
  6. Step 6: Final answer
    x = 68,179.27

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1.5x scale

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.