Home / 91,972.35-126,967.77-60,189.80

Finding the Fourth Proportional to 91,972.35, 126,967.77 and 60,189.80

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Solution

The fourth proportional to 91,972.35, 126,967.77 and 60,189.80 is: 83,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972.35 : 126,967.77 = 60,189.80 : x
  2. Step 2: Convert to fraction form
    91,972.35/126,967.77 = 60,189.80/x
  3. Step 3: Cross multiply
    91,972.35x = 126,967.77 × 60,189.80
  4. Step 4: Simplify right side
    91,972.35x = 7,642,164,047.91
  5. Step 5: Solve for x
    x = 7,642,164,047.91/91,972.35
  6. Step 6: Final answer
    x = 83,091.97

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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.