Home / 95,881.20-132,318.36-53,438.64

Finding the Fourth Proportional to 95,881.20, 132,318.36 and 53,438.64

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Solution

The fourth proportional to 95,881.20, 132,318.36 and 53,438.64 is: 73,746.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,881.20 : 132,318.36 = 53,438.64 : x
  2. Step 2: Convert to fraction form
    95,881.20/132,318.36 = 53,438.64/x
  3. Step 3: Cross multiply
    95,881.20x = 132,318.36 × 53,438.64
  4. Step 4: Simplify right side
    95,881.20x = 7,070,913,205.43
  5. Step 5: Solve for x
    x = 7,070,913,205.43/95,881.20
  6. Step 6: Final answer
    x = 73,746.61

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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.