Home / 88,518.48-132,726.60-29,338.20

Finding the Fourth Proportional to 88,518.48, 132,726.60 and 29,338.20

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Solution

The fourth proportional to 88,518.48, 132,726.60 and 29,338.20 is: 43,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,518.48 : 132,726.60 = 29,338.20 : x
  2. Step 2: Convert to fraction form
    88,518.48/132,726.60 = 29,338.20/x
  3. Step 3: Cross multiply
    88,518.48x = 132,726.60 × 29,338.20
  4. Step 4: Simplify right side
    88,518.48x = 3,893,959,536.12
  5. Step 5: Solve for x
    x = 3,893,959,536.12/88,518.48
  6. Step 6: Final answer
    x = 43,990.36

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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.