Home / 69,981.12-96,549.84-48,752.64

Finding the Fourth Proportional to 69,981.12, 96,549.84 and 48,752.64

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Solution

The fourth proportional to 69,981.12, 96,549.84 and 48,752.64 is: 67,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.12 : 96,549.84 = 48,752.64 : x
  2. Step 2: Convert to fraction form
    69,981.12/96,549.84 = 48,752.64/x
  3. Step 3: Cross multiply
    69,981.12x = 96,549.84 × 48,752.64
  4. Step 4: Simplify right side
    69,981.12x = 4,707,059,591.58
  5. Step 5: Solve for x
    x = 4,707,059,591.58/69,981.12
  6. Step 6: Final answer
    x = 67,261.85

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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.