Home / 90,170.47-124,424.22-49,878.73

Finding the Fourth Proportional to 90,170.47, 124,424.22 and 49,878.73

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Solution

The fourth proportional to 90,170.47, 124,424.22 and 49,878.73 is: 68,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170.47 : 124,424.22 = 49,878.73 : x
  2. Step 2: Convert to fraction form
    90,170.47/124,424.22 = 49,878.73/x
  3. Step 3: Cross multiply
    90,170.47x = 124,424.22 × 49,878.73
  4. Step 4: Simplify right side
    90,170.47x = 6,206,122,074.84
  5. Step 5: Solve for x
    x = 6,206,122,074.84/90,170.47
  6. Step 6: Final answer
    x = 68,826.55

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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.