Home / 91,867.75-126,781.05-51,034.97

Finding the Fourth Proportional to 91,867.75, 126,781.05 and 51,034.97

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Solution

The fourth proportional to 91,867.75, 126,781.05 and 51,034.97 is: 70,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867.75 : 126,781.05 = 51,034.97 : x
  2. Step 2: Convert to fraction form
    91,867.75/126,781.05 = 51,034.97/x
  3. Step 3: Cross multiply
    91,867.75x = 126,781.05 × 51,034.97
  4. Step 4: Simplify right side
    91,867.75x = 6,470,267,139.39
  5. Step 5: Solve for x
    x = 6,470,267,139.39/91,867.75
  6. Step 6: Final answer
    x = 70,430.23

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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.