Home / 83,240.24-124,872.80-30,645.73

Finding the Fourth Proportional to 83,240.24, 124,872.80 and 30,645.73

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Solution

The fourth proportional to 83,240.24, 124,872.80 and 30,645.73 is: 45,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,240.24 : 124,872.80 = 30,645.73 : x
  2. Step 2: Convert to fraction form
    83,240.24/124,872.80 = 30,645.73/x
  3. Step 3: Cross multiply
    83,240.24x = 124,872.80 × 30,645.73
  4. Step 4: Simplify right side
    83,240.24x = 3,826,818,113.14
  5. Step 5: Solve for x
    x = 3,826,818,113.14/83,240.24
  6. Step 6: Final answer
    x = 45,973.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.