Home / 91,532.97-126,302.22-51,239.31

Finding the Fourth Proportional to 91,532.97, 126,302.22 and 51,239.31

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Solution

The fourth proportional to 91,532.97, 126,302.22 and 51,239.31 is: 70,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,532.97 : 126,302.22 = 51,239.31 : x
  2. Step 2: Convert to fraction form
    91,532.97/126,302.22 = 51,239.31/x
  3. Step 3: Cross multiply
    91,532.97x = 126,302.22 × 51,239.31
  4. Step 4: Simplify right side
    91,532.97x = 6,471,638,604.27
  5. Step 5: Solve for x
    x = 6,471,638,604.27/91,532.97
  6. Step 6: Final answer
    x = 70,702.81

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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.