Home / 88,928.20-122,718.04-48,642.30

Finding the Fourth Proportional to 88,928.20, 122,718.04 and 48,642.30

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Solution

The fourth proportional to 88,928.20, 122,718.04 and 48,642.30 is: 67,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,928.20 : 122,718.04 = 48,642.30 : x
  2. Step 2: Convert to fraction form
    88,928.20/122,718.04 = 48,642.30/x
  3. Step 3: Cross multiply
    88,928.20x = 122,718.04 × 48,642.30
  4. Step 4: Simplify right side
    88,928.20x = 5,969,287,250.34
  5. Step 5: Solve for x
    x = 5,969,287,250.34/88,928.20
  6. Step 6: Final answer
    x = 67,124.79

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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.