Home / 89,778.13-123,892.27-49,495.63

Finding the Fourth Proportional to 89,778.13, 123,892.27 and 49,495.63

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Solution

The fourth proportional to 89,778.13, 123,892.27 and 49,495.63 is: 68,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,778.13 : 123,892.27 = 49,495.63 : x
  2. Step 2: Convert to fraction form
    89,778.13/123,892.27 = 49,495.63/x
  3. Step 3: Cross multiply
    89,778.13x = 123,892.27 × 49,495.63
  4. Step 4: Simplify right side
    89,778.13x = 6,132,125,955.78
  5. Step 5: Solve for x
    x = 6,132,125,955.78/89,778.13
  6. Step 6: Final answer
    x = 68,303.12

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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.