Home / 90,538.70-124,942.46-50,252.81

Finding the Fourth Proportional to 90,538.70, 124,942.46 and 50,252.81

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Solution

The fourth proportional to 90,538.70, 124,942.46 and 50,252.81 is: 69,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,538.70 : 124,942.46 = 50,252.81 : x
  2. Step 2: Convert to fraction form
    90,538.70/124,942.46 = 50,252.81/x
  3. Step 3: Cross multiply
    90,538.70x = 124,942.46 × 50,252.81
  4. Step 4: Simplify right side
    90,538.70x = 6,278,708,827.34
  5. Step 5: Solve for x
    x = 6,278,708,827.34/90,538.70
  6. Step 6: Final answer
    x = 69,348.35

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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.