Home / 89,160.06-123,037.16-53,328.90

Finding the Fourth Proportional to 89,160.06, 123,037.16 and 53,328.90

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Solution

The fourth proportional to 89,160.06, 123,037.16 and 53,328.90 is: 73,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,160.06 : 123,037.16 = 53,328.90 : x
  2. Step 2: Convert to fraction form
    89,160.06/123,037.16 = 53,328.90/x
  3. Step 3: Cross multiply
    89,160.06x = 123,037.16 × 53,328.90
  4. Step 4: Simplify right side
    89,160.06x = 6,561,436,401.92
  5. Step 5: Solve for x
    x = 6,561,436,401.92/89,160.06
  6. Step 6: Final answer
    x = 73,591.66

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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.