Home / 89,818.20-134,727.30-88,282.20

Finding the Fourth Proportional to 89,818.20, 134,727.30 and 88,282.20

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Solution

The fourth proportional to 89,818.20, 134,727.30 and 88,282.20 is: 132,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,818.20 : 134,727.30 = 88,282.20 : x
  2. Step 2: Convert to fraction form
    89,818.20/134,727.30 = 88,282.20/x
  3. Step 3: Cross multiply
    89,818.20x = 134,727.30 × 88,282.20
  4. Step 4: Simplify right side
    89,818.20x = 11,894,022,444.06
  5. Step 5: Solve for x
    x = 11,894,022,444.06/89,818.20
  6. Step 6: Final answer
    x = 132,423.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.