Home / 91,749.66-126,613.78-51,463.30

Finding the Fourth Proportional to 91,749.66, 126,613.78 and 51,463.30

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Solution

The fourth proportional to 91,749.66, 126,613.78 and 51,463.30 is: 71,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,749.66 : 126,613.78 = 51,463.30 : x
  2. Step 2: Convert to fraction form
    91,749.66/126,613.78 = 51,463.30/x
  3. Step 3: Cross multiply
    91,749.66x = 126,613.78 × 51,463.30
  4. Step 4: Simplify right side
    91,749.66x = 6,515,963,025.96
  5. Step 5: Solve for x
    x = 6,515,963,025.96/91,749.66
  6. Step 6: Final answer
    x = 71,018.93

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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.