Home / 95,815.78-132,217.20-53,373.40

Finding the Fourth Proportional to 95,815.78, 132,217.20 and 53,373.40

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Solution

The fourth proportional to 95,815.78, 132,217.20 and 53,373.40 is: 73,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,815.78 : 132,217.20 = 53,373.40 : x
  2. Step 2: Convert to fraction form
    95,815.78/132,217.20 = 53,373.40/x
  3. Step 3: Cross multiply
    95,815.78x = 132,217.20 × 53,373.40
  4. Step 4: Simplify right side
    95,815.78x = 7,056,881,502.48
  5. Step 5: Solve for x
    x = 7,056,881,502.48/95,815.78
  6. Step 6: Final answer
    x = 73,650.51

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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.