Home / 89,432.88-123,416.92-51,192.24

Finding the Fourth Proportional to 89,432.88, 123,416.92 and 51,192.24

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Solution

The fourth proportional to 89,432.88, 123,416.92 and 51,192.24 is: 70,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.88 : 123,416.92 = 51,192.24 : x
  2. Step 2: Convert to fraction form
    89,432.88/123,416.92 = 51,192.24/x
  3. Step 3: Cross multiply
    89,432.88x = 123,416.92 × 51,192.24
  4. Step 4: Simplify right side
    89,432.88x = 6,317,988,588.70
  5. Step 5: Solve for x
    x = 6,317,988,588.70/89,432.88
  6. Step 6: Final answer
    x = 70,645.03

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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.