Home / 89,204.88-123,038.28-75,754.92

Finding the Fourth Proportional to 89,204.88, 123,038.28 and 75,754.92

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Solution

The fourth proportional to 89,204.88, 123,038.28 and 75,754.92 is: 104,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,204.88 : 123,038.28 = 75,754.92 : x
  2. Step 2: Convert to fraction form
    89,204.88/123,038.28 = 75,754.92/x
  3. Step 3: Cross multiply
    89,204.88x = 123,038.28 × 75,754.92
  4. Step 4: Simplify right side
    89,204.88x = 9,320,755,058.34
  5. Step 5: Solve for x
    x = 9,320,755,058.34/89,204.88
  6. Step 6: Final answer
    x = 104,487.05

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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.