Home / 91,383.44-126,103.28-51,100.52

Finding the Fourth Proportional to 91,383.44, 126,103.28 and 51,100.52

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Solution

The fourth proportional to 91,383.44, 126,103.28 and 51,100.52 is: 70,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,383.44 : 126,103.28 = 51,100.52 : x
  2. Step 2: Convert to fraction form
    91,383.44/126,103.28 = 51,100.52/x
  3. Step 3: Cross multiply
    91,383.44x = 126,103.28 × 51,100.52
  4. Step 4: Simplify right side
    91,383.44x = 6,443,943,181.71
  5. Step 5: Solve for x
    x = 6,443,943,181.71/91,383.44
  6. Step 6: Final answer
    x = 70,515.44

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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.