Home / 89,224.52-123,129.66-51,498.76

Finding the Fourth Proportional to 89,224.52, 123,129.66 and 51,498.76

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Solution

The fourth proportional to 89,224.52, 123,129.66 and 51,498.76 is: 71,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,224.52 : 123,129.66 = 51,498.76 : x
  2. Step 2: Convert to fraction form
    89,224.52/123,129.66 = 51,498.76/x
  3. Step 3: Cross multiply
    89,224.52x = 123,129.66 × 51,498.76
  4. Step 4: Simplify right side
    89,224.52x = 6,341,024,809.22
  5. Step 5: Solve for x
    x = 6,341,024,809.22/89,224.52
  6. Step 6: Final answer
    x = 71,068.19

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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.