Home / 89,713.60-123,797.52-51,990.24

Finding the Fourth Proportional to 89,713.60, 123,797.52 and 51,990.24

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Solution

The fourth proportional to 89,713.60, 123,797.52 and 51,990.24 is: 71,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713.60 : 123,797.52 = 51,990.24 : x
  2. Step 2: Convert to fraction form
    89,713.60/123,797.52 = 51,990.24/x
  3. Step 3: Cross multiply
    89,713.60x = 123,797.52 × 51,990.24
  4. Step 4: Simplify right side
    89,713.60x = 6,436,262,776.20
  5. Step 5: Solve for x
    x = 6,436,262,776.20/89,713.60
  6. Step 6: Final answer
    x = 71,742.33

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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.