Home / 91,624.57-126,440.32-51,338.20

Finding the Fourth Proportional to 91,624.57, 126,440.32 and 51,338.20

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Solution

The fourth proportional to 91,624.57, 126,440.32 and 51,338.20 is: 70,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,624.57 : 126,440.32 = 51,338.20 : x
  2. Step 2: Convert to fraction form
    91,624.57/126,440.32 = 51,338.20/x
  3. Step 3: Cross multiply
    91,624.57x = 126,440.32 × 51,338.20
  4. Step 4: Simplify right side
    91,624.57x = 6,491,218,436.22
  5. Step 5: Solve for x
    x = 6,491,218,436.22/91,624.57
  6. Step 6: Final answer
    x = 70,845.83

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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.