Home / 90,125.39-124,362.09-49,833.65

Finding the Fourth Proportional to 90,125.39, 124,362.09 and 49,833.65

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Solution

The fourth proportional to 90,125.39, 124,362.09 and 49,833.65 is: 68,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,125.39 : 124,362.09 = 49,833.65 : x
  2. Step 2: Convert to fraction form
    90,125.39/124,362.09 = 49,833.65/x
  3. Step 3: Cross multiply
    90,125.39x = 124,362.09 × 49,833.65
  4. Step 4: Simplify right side
    90,125.39x = 6,197,416,244.52
  5. Step 5: Solve for x
    x = 6,197,416,244.52/90,125.39
  6. Step 6: Final answer
    x = 68,764.38

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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.