Home / 71,826.73-99,119.97-39,560.74

Finding the Fourth Proportional to 71,826.73, 99,119.97 and 39,560.74

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Solution

The fourth proportional to 71,826.73, 99,119.97 and 39,560.74 is: 54,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,826.73 : 99,119.97 = 39,560.74 : x
  2. Step 2: Convert to fraction form
    71,826.73/99,119.97 = 39,560.74/x
  3. Step 3: Cross multiply
    71,826.73x = 99,119.97 × 39,560.74
  4. Step 4: Simplify right side
    71,826.73x = 3,921,259,114.18
  5. Step 5: Solve for x
    x = 3,921,259,114.18/71,826.73
  6. Step 6: Final answer
    x = 54,593.31

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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.