Home / 88,071.33-132,029.23-67,387.17

Finding the Fourth Proportional to 88,071.33, 132,029.23 and 67,387.17

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Solution

The fourth proportional to 88,071.33, 132,029.23 and 67,387.17 is: 101,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,071.33 : 132,029.23 = 67,387.17 : x
  2. Step 2: Convert to fraction form
    88,071.33/132,029.23 = 67,387.17/x
  3. Step 3: Cross multiply
    88,071.33x = 132,029.23 × 67,387.17
  4. Step 4: Simplify right side
    88,071.33x = 8,897,076,166.98
  5. Step 5: Solve for x
    x = 8,897,076,166.98/88,071.33
  6. Step 6: Final answer
    x = 101,021.25

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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.