Home / 89,572.52-134,391.08-45,165.83

Finding the Fourth Proportional to 89,572.52, 134,391.08 and 45,165.83

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Solution

The fourth proportional to 89,572.52, 134,391.08 and 45,165.83 is: 67,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,572.52 : 134,391.08 = 45,165.83 : x
  2. Step 2: Convert to fraction form
    89,572.52/134,391.08 = 45,165.83/x
  3. Step 3: Cross multiply
    89,572.52x = 134,391.08 × 45,165.83
  4. Step 4: Simplify right side
    89,572.52x = 6,069,884,113.76
  5. Step 5: Solve for x
    x = 6,069,884,113.76/89,572.52
  6. Step 6: Final answer
    x = 67,765.02

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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.