Home / 88,140.08-132,262.65-31,984.57

Finding the Fourth Proportional to 88,140.08, 132,262.65 and 31,984.57

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Solution

The fourth proportional to 88,140.08, 132,262.65 and 31,984.57 is: 47,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140.08 : 132,262.65 = 31,984.57 : x
  2. Step 2: Convert to fraction form
    88,140.08/132,262.65 = 31,984.57/x
  3. Step 3: Cross multiply
    88,140.08x = 132,262.65 × 31,984.57
  4. Step 4: Simplify right side
    88,140.08x = 4,230,363,987.31
  5. Step 5: Solve for x
    x = 4,230,363,987.31/88,140.08
  6. Step 6: Final answer
    x = 47,995.92

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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.