Home / 87,716.70-121,049.73-48,426.91

Finding the Fourth Proportional to 87,716.70, 121,049.73 and 48,426.91

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Solution

The fourth proportional to 87,716.70, 121,049.73 and 48,426.91 is: 66,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,716.70 : 121,049.73 = 48,426.91 : x
  2. Step 2: Convert to fraction form
    87,716.70/121,049.73 = 48,426.91/x
  3. Step 3: Cross multiply
    87,716.70x = 121,049.73 × 48,426.91
  4. Step 4: Simplify right side
    87,716.70x = 5,862,063,896.05
  5. Step 5: Solve for x
    x = 5,862,063,896.05/87,716.70
  6. Step 6: Final answer
    x = 66,829.51

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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.