Home / 87,847.73-121,229.93-47,561.51

Finding the Fourth Proportional to 87,847.73, 121,229.93 and 47,561.51

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Solution

The fourth proportional to 87,847.73, 121,229.93 and 47,561.51 is: 65,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,847.73 : 121,229.93 = 47,561.51 : x
  2. Step 2: Convert to fraction form
    87,847.73/121,229.93 = 47,561.51/x
  3. Step 3: Cross multiply
    87,847.73x = 121,229.93 × 47,561.51
  4. Step 4: Simplify right side
    87,847.73x = 5,765,877,684.04
  5. Step 5: Solve for x
    x = 5,765,877,684.04/87,847.73
  6. Step 6: Final answer
    x = 65,634.91

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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.