Home / 87,812.02-121,179.54-47,524.83

Finding the Fourth Proportional to 87,812.02, 121,179.54 and 47,524.83

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Solution

The fourth proportional to 87,812.02, 121,179.54 and 47,524.83 is: 65,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,812.02 : 121,179.54 = 47,524.83 : x
  2. Step 2: Convert to fraction form
    87,812.02/121,179.54 = 47,524.83/x
  3. Step 3: Cross multiply
    87,812.02x = 121,179.54 × 47,524.83
  4. Step 4: Simplify right side
    87,812.02x = 5,759,037,037.98
  5. Step 5: Solve for x
    x = 5,759,037,037.98/87,812.02
  6. Step 6: Final answer
    x = 65,583.70

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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.