Home / 89,746.68-123,830.46-51,503.88

Finding the Fourth Proportional to 89,746.68, 123,830.46 and 51,503.88

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Solution

The fourth proportional to 89,746.68, 123,830.46 and 51,503.88 is: 71,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,746.68 : 123,830.46 = 51,503.88 : x
  2. Step 2: Convert to fraction form
    89,746.68/123,830.46 = 51,503.88/x
  3. Step 3: Cross multiply
    89,746.68x = 123,830.46 × 51,503.88
  4. Step 4: Simplify right side
    89,746.68x = 6,377,749,152.18
  5. Step 5: Solve for x
    x = 6,377,749,152.18/89,746.68
  6. Step 6: Final answer
    x = 71,063.90

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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.