Home / 88,799.20-122,428.56-63,334.60

Finding the Fourth Proportional to 88,799.20, 122,428.56 and 63,334.60

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Solution

The fourth proportional to 88,799.20, 122,428.56 and 63,334.60 is: 87,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,799.20 : 122,428.56 = 63,334.60 : x
  2. Step 2: Convert to fraction form
    88,799.20/122,428.56 = 63,334.60/x
  3. Step 3: Cross multiply
    88,799.20x = 122,428.56 × 63,334.60
  4. Step 4: Simplify right side
    88,799.20x = 7,753,963,876.18
  5. Step 5: Solve for x
    x = 7,753,963,876.18/88,799.20
  6. Step 6: Final answer
    x = 87,320.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.