Home / 76,854.38-115,298.60-23,553.72

Finding the Fourth Proportional to 76,854.38, 115,298.60 and 23,553.72

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Solution

The fourth proportional to 76,854.38, 115,298.60 and 23,553.72 is: 35,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,854.38 : 115,298.60 = 23,553.72 : x
  2. Step 2: Convert to fraction form
    76,854.38/115,298.60 = 23,553.72/x
  3. Step 3: Cross multiply
    76,854.38x = 115,298.60 × 23,553.72
  4. Step 4: Simplify right side
    76,854.38x = 2,715,710,823.02
  5. Step 5: Solve for x
    x = 2,715,710,823.02/76,854.38
  6. Step 6: Final answer
    x = 35,335.80

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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.