Home / 88,287.55-132,435.41-29,128.39

Finding the Fourth Proportional to 88,287.55, 132,435.41 and 29,128.39

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Solution

The fourth proportional to 88,287.55, 132,435.41 and 29,128.39 is: 43,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,287.55 : 132,435.41 = 29,128.39 : x
  2. Step 2: Convert to fraction form
    88,287.55/132,435.41 = 29,128.39/x
  3. Step 3: Cross multiply
    88,287.55x = 132,435.41 × 29,128.39
  4. Step 4: Simplify right side
    88,287.55x = 3,857,630,272.29
  5. Step 5: Solve for x
    x = 3,857,630,272.29/88,287.55
  6. Step 6: Final answer
    x = 43,693.93

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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.