Home / 88,943.20-133,414.80-88,068.40

Finding the Fourth Proportional to 88,943.20, 133,414.80 and 88,068.40

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Solution

The fourth proportional to 88,943.20, 133,414.80 and 88,068.40 is: 132,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,943.20 : 133,414.80 = 88,068.40 : x
  2. Step 2: Convert to fraction form
    88,943.20/133,414.80 = 88,068.40/x
  3. Step 3: Cross multiply
    88,943.20x = 133,414.80 × 88,068.40
  4. Step 4: Simplify right side
    88,943.20x = 11,749,627,972.32
  5. Step 5: Solve for x
    x = 11,749,627,972.32/88,943.20
  6. Step 6: Final answer
    x = 132,102.60

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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.