Home / 87,811.47-121,180.19-47,525.22

Finding the Fourth Proportional to 87,811.47, 121,180.19 and 47,525.22

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Solution

The fourth proportional to 87,811.47, 121,180.19 and 47,525.22 is: 65,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,811.47 : 121,180.19 = 47,525.22 : x
  2. Step 2: Convert to fraction form
    87,811.47/121,180.19 = 47,525.22/x
  3. Step 3: Cross multiply
    87,811.47x = 121,180.19 × 47,525.22
  4. Step 4: Simplify right side
    87,811.47x = 5,759,114,951.77
  5. Step 5: Solve for x
    x = 5,759,114,951.77/87,811.47
  6. Step 6: Final answer
    x = 65,585.00

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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.