Home / 91,381.44-126,100.53-51,098.52

Finding the Fourth Proportional to 91,381.44, 126,100.53 and 51,098.52

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Solution

The fourth proportional to 91,381.44, 126,100.53 and 51,098.52 is: 70,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,381.44 : 126,100.53 = 51,098.52 : x
  2. Step 2: Convert to fraction form
    91,381.44/126,100.53 = 51,098.52/x
  3. Step 3: Cross multiply
    91,381.44x = 126,100.53 × 51,098.52
  4. Step 4: Simplify right side
    91,381.44x = 6,443,550,454.22
  5. Step 5: Solve for x
    x = 6,443,550,454.22/91,381.44
  6. Step 6: Final answer
    x = 70,512.68

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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.