Home / 89,433.52-123,366.86-55,841.20

Finding the Fourth Proportional to 89,433.52, 123,366.86 and 55,841.20

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Solution

The fourth proportional to 89,433.52, 123,366.86 and 55,841.20 is: 77,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,433.52 : 123,366.86 = 55,841.20 : x
  2. Step 2: Convert to fraction form
    89,433.52/123,366.86 = 55,841.20/x
  3. Step 3: Cross multiply
    89,433.52x = 123,366.86 × 55,841.20
  4. Step 4: Simplify right side
    89,433.52x = 6,888,953,502.63
  5. Step 5: Solve for x
    x = 6,888,953,502.63/89,433.52
  6. Step 6: Final answer
    x = 77,028.76

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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.