Home / 90,245.73-124,535.07-49,956.65

Finding the Fourth Proportional to 90,245.73, 124,535.07 and 49,956.65

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Solution

The fourth proportional to 90,245.73, 124,535.07 and 49,956.65 is: 68,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,245.73 : 124,535.07 = 49,956.65 : x
  2. Step 2: Convert to fraction form
    90,245.73/124,535.07 = 49,956.65/x
  3. Step 3: Cross multiply
    90,245.73x = 124,535.07 × 49,956.65
  4. Step 4: Simplify right side
    90,245.73x = 6,221,354,282.04
  5. Step 5: Solve for x
    x = 6,221,354,282.04/90,245.73
  6. Step 6: Final answer
    x = 68,937.94

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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.