Home / 88,247.04-121,781.85-47,960.80

Finding the Fourth Proportional to 88,247.04, 121,781.85 and 47,960.80

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Solution

The fourth proportional to 88,247.04, 121,781.85 and 47,960.80 is: 66,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.04 : 121,781.85 = 47,960.80 : x
  2. Step 2: Convert to fraction form
    88,247.04/121,781.85 = 47,960.80/x
  3. Step 3: Cross multiply
    88,247.04x = 121,781.85 × 47,960.80
  4. Step 4: Simplify right side
    88,247.04x = 5,840,754,951.48
  5. Step 5: Solve for x
    x = 5,840,754,951.48/88,247.04
  6. Step 6: Final answer
    x = 66,186.42

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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.