Home / 89,953.20-134,363.43-66,049.29

Finding the Fourth Proportional to 89,953.20, 134,363.43 and 66,049.29

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Solution

The fourth proportional to 89,953.20, 134,363.43 and 66,049.29 is: 98,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.20 : 134,363.43 = 66,049.29 : x
  2. Step 2: Convert to fraction form
    89,953.20/134,363.43 = 66,049.29/x
  3. Step 3: Cross multiply
    89,953.20x = 134,363.43 × 66,049.29
  4. Step 4: Simplify right side
    89,953.20x = 8,874,609,153.46
  5. Step 5: Solve for x
    x = 8,874,609,153.46/89,953.20
  6. Step 6: Final answer
    x = 98,658.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.