Home / 91,327.76-126,031.87-51,041.48

Finding the Fourth Proportional to 91,327.76, 126,031.87 and 51,041.48

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Solution

The fourth proportional to 91,327.76, 126,031.87 and 51,041.48 is: 70,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,327.76 : 126,031.87 = 51,041.48 : x
  2. Step 2: Convert to fraction form
    91,327.76/126,031.87 = 51,041.48/x
  3. Step 3: Cross multiply
    91,327.76x = 126,031.87 × 51,041.48
  4. Step 4: Simplify right side
    91,327.76x = 6,432,853,171.97
  5. Step 5: Solve for x
    x = 6,432,853,171.97/91,327.76
  6. Step 6: Final answer
    x = 70,437.00

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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.