Home / 91,626.12-126,451.80-51,339.29

Finding the Fourth Proportional to 91,626.12, 126,451.80 and 51,339.29

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Solution

The fourth proportional to 91,626.12, 126,451.80 and 51,339.29 is: 70,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,626.12 : 126,451.80 = 51,339.29 : x
  2. Step 2: Convert to fraction form
    91,626.12/126,451.80 = 51,339.29/x
  3. Step 3: Cross multiply
    91,626.12x = 126,451.80 × 51,339.29
  4. Step 4: Simplify right side
    91,626.12x = 6,491,944,998.96
  5. Step 5: Solve for x
    x = 6,491,944,998.96/91,626.12
  6. Step 6: Final answer
    x = 70,852.56

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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.