Home / 91,329.44-126,034.20-51,043.19

Finding the Fourth Proportional to 91,329.44, 126,034.20 and 51,043.19

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Solution

The fourth proportional to 91,329.44, 126,034.20 and 51,043.19 is: 70,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,329.44 : 126,034.20 = 51,043.19 : x
  2. Step 2: Convert to fraction form
    91,329.44/126,034.20 = 51,043.19/x
  3. Step 3: Cross multiply
    91,329.44x = 126,034.20 × 51,043.19
  4. Step 4: Simplify right side
    91,329.44x = 6,433,186,986.93
  5. Step 5: Solve for x
    x = 6,433,186,986.93/91,329.44
  6. Step 6: Final answer
    x = 70,439.36

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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.