Home / 90,540.13-124,946.94-49,708.05

Finding the Fourth Proportional to 90,540.13, 124,946.94 and 49,708.05

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Solution

The fourth proportional to 90,540.13, 124,946.94 and 49,708.05 is: 68,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,540.13 : 124,946.94 = 49,708.05 : x
  2. Step 2: Convert to fraction form
    90,540.13/124,946.94 = 49,708.05/x
  3. Step 3: Cross multiply
    90,540.13x = 124,946.94 × 49,708.05
  4. Step 4: Simplify right side
    90,540.13x = 6,210,869,443.06
  5. Step 5: Solve for x
    x = 6,210,869,443.06/90,540.13
  6. Step 6: Final answer
    x = 68,597.97

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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.