Home / 89,764.92-134,618.22-42,373.44

Finding the Fourth Proportional to 89,764.92, 134,618.22 and 42,373.44

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Solution

The fourth proportional to 89,764.92, 134,618.22 and 42,373.44 is: 63,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,764.92 : 134,618.22 = 42,373.44 : x
  2. Step 2: Convert to fraction form
    89,764.92/134,618.22 = 42,373.44/x
  3. Step 3: Cross multiply
    89,764.92x = 134,618.22 × 42,373.44
  4. Step 4: Simplify right side
    89,764.92x = 5,704,237,068.08
  5. Step 5: Solve for x
    x = 5,704,237,068.08/89,764.92
  6. Step 6: Final answer
    x = 63,546.40

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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.