Home / 89,293.52-123,204.36-53,476.88

Finding the Fourth Proportional to 89,293.52, 123,204.36 and 53,476.88

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Solution

The fourth proportional to 89,293.52, 123,204.36 and 53,476.88 is: 73,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,293.52 : 123,204.36 = 53,476.88 : x
  2. Step 2: Convert to fraction form
    89,293.52/123,204.36 = 53,476.88/x
  3. Step 3: Cross multiply
    89,293.52x = 123,204.36 × 53,476.88
  4. Step 4: Simplify right side
    89,293.52x = 6,588,584,775.20
  5. Step 5: Solve for x
    x = 6,588,584,775.20/89,293.52
  6. Step 6: Final answer
    x = 73,785.70

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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.