Home / 91,357.26-126,074.68-51,066.70

Finding the Fourth Proportional to 91,357.26, 126,074.68 and 51,066.70

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Solution

The fourth proportional to 91,357.26, 126,074.68 and 51,066.70 is: 70,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,357.26 : 126,074.68 = 51,066.70 : x
  2. Step 2: Convert to fraction form
    91,357.26/126,074.68 = 51,066.70/x
  3. Step 3: Cross multiply
    91,357.26x = 126,074.68 × 51,066.70
  4. Step 4: Simplify right side
    91,357.26x = 6,438,217,861.16
  5. Step 5: Solve for x
    x = 6,438,217,861.16/91,357.26
  6. Step 6: Final answer
    x = 70,472.97

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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.