Home / 88,134.64-132,144.52-31,964.28

Finding the Fourth Proportional to 88,134.64, 132,144.52 and 31,964.28

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Solution

The fourth proportional to 88,134.64, 132,144.52 and 31,964.28 is: 47,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,134.64 : 132,144.52 = 31,964.28 : x
  2. Step 2: Convert to fraction form
    88,134.64/132,144.52 = 31,964.28/x
  3. Step 3: Cross multiply
    88,134.64x = 132,144.52 × 31,964.28
  4. Step 4: Simplify right side
    88,134.64x = 4,223,904,437.75
  5. Step 5: Solve for x
    x = 4,223,904,437.75/88,134.64
  6. Step 6: Final answer
    x = 47,925.59

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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.