Home / 88,246.53-121,781.16-47,960.30

Finding the Fourth Proportional to 88,246.53, 121,781.16 and 47,960.30

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Solution

The fourth proportional to 88,246.53, 121,781.16 and 47,960.30 is: 66,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,246.53 : 121,781.16 = 47,960.30 : x
  2. Step 2: Convert to fraction form
    88,246.53/121,781.16 = 47,960.30/x
  3. Step 3: Cross multiply
    88,246.53x = 121,781.16 × 47,960.30
  4. Step 4: Simplify right side
    88,246.53x = 5,840,660,725.80
  5. Step 5: Solve for x
    x = 5,840,660,725.80/88,246.53
  6. Step 6: Final answer
    x = 66,185.72

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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.