Home / 88,031.03-132,013.36-31,857.26

Finding the Fourth Proportional to 88,031.03, 132,013.36 and 31,857.26

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Solution

The fourth proportional to 88,031.03, 132,013.36 and 31,857.26 is: 47,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.03 : 132,013.36 = 31,857.26 : x
  2. Step 2: Convert to fraction form
    88,031.03/132,013.36 = 31,857.26/x
  3. Step 3: Cross multiply
    88,031.03x = 132,013.36 × 31,857.26
  4. Step 4: Simplify right side
    88,031.03x = 4,205,583,312.75
  5. Step 5: Solve for x
    x = 4,205,583,312.75/88,031.03
  6. Step 6: Final answer
    x = 47,773.88

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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.