Home / 91,764.42-126,644.49-51,489.06

Finding the Fourth Proportional to 91,764.42, 126,644.49 and 51,489.06

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Solution

The fourth proportional to 91,764.42, 126,644.49 and 51,489.06 is: 71,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,764.42 : 126,644.49 = 51,489.06 : x
  2. Step 2: Convert to fraction form
    91,764.42/126,644.49 = 51,489.06/x
  3. Step 3: Cross multiply
    91,764.42x = 126,644.49 × 51,489.06
  4. Step 4: Simplify right side
    91,764.42x = 6,520,805,744.28
  5. Step 5: Solve for x
    x = 6,520,805,744.28/91,764.42
  6. Step 6: Final answer
    x = 71,060.28

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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.