Home / 91,452.36-126,209.15-51,163.71

Finding the Fourth Proportional to 91,452.36, 126,209.15 and 51,163.71

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Solution

The fourth proportional to 91,452.36, 126,209.15 and 51,163.71 is: 70,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,452.36 : 126,209.15 = 51,163.71 : x
  2. Step 2: Convert to fraction form
    91,452.36/126,209.15 = 51,163.71/x
  3. Step 3: Cross multiply
    91,452.36x = 126,209.15 × 51,163.71
  4. Step 4: Simplify right side
    91,452.36x = 6,457,328,349.95
  5. Step 5: Solve for x
    x = 6,457,328,349.95/91,452.36
  6. Step 6: Final answer
    x = 70,608.66

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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.