Home / 90,226.30-124,508.37-49,937.66

Finding the Fourth Proportional to 90,226.30, 124,508.37 and 49,937.66

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Solution

The fourth proportional to 90,226.30, 124,508.37 and 49,937.66 is: 68,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,226.30 : 124,508.37 = 49,937.66 : x
  2. Step 2: Convert to fraction form
    90,226.30/124,508.37 = 49,937.66/x
  3. Step 3: Cross multiply
    90,226.30x = 124,508.37 × 49,937.66
  4. Step 4: Simplify right side
    90,226.30x = 6,217,656,025.67
  5. Step 5: Solve for x
    x = 6,217,656,025.67/90,226.30
  6. Step 6: Final answer
    x = 68,911.79

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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.