Home / 88,084.40-132,077.07-28,915.11

Finding the Fourth Proportional to 88,084.40, 132,077.07 and 28,915.11

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Solution

The fourth proportional to 88,084.40, 132,077.07 and 28,915.11 is: 43,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,084.40 : 132,077.07 = 28,915.11 : x
  2. Step 2: Convert to fraction form
    88,084.40/132,077.07 = 28,915.11/x
  3. Step 3: Cross multiply
    88,084.40x = 132,077.07 × 28,915.11
  4. Step 4: Simplify right side
    88,084.40x = 3,819,023,007.53
  5. Step 5: Solve for x
    x = 3,819,023,007.53/88,084.40
  6. Step 6: Final answer
    x = 43,356.41

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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.