Home / 91,456.47-126,214.83-51,167.83

Finding the Fourth Proportional to 91,456.47, 126,214.83 and 51,167.83

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Solution

The fourth proportional to 91,456.47, 126,214.83 and 51,167.83 is: 70,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,456.47 : 126,214.83 = 51,167.83 : x
  2. Step 2: Convert to fraction form
    91,456.47/126,214.83 = 51,167.83/x
  3. Step 3: Cross multiply
    91,456.47x = 126,214.83 × 51,167.83
  4. Step 4: Simplify right side
    91,456.47x = 6,458,138,964.92
  5. Step 5: Solve for x
    x = 6,458,138,964.92/91,456.47
  6. Step 6: Final answer
    x = 70,614.35

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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.