Home / 83,370.48-125,066.70-27,190.86

Finding the Fourth Proportional to 83,370.48, 125,066.70 and 27,190.86

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Solution

The fourth proportional to 83,370.48, 125,066.70 and 27,190.86 is: 40,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,370.48 : 125,066.70 = 27,190.86 : x
  2. Step 2: Convert to fraction form
    83,370.48/125,066.70 = 27,190.86/x
  3. Step 3: Cross multiply
    83,370.48x = 125,066.70 × 27,190.86
  4. Step 4: Simplify right side
    83,370.48x = 3,400,671,130.36
  5. Step 5: Solve for x
    x = 3,400,671,130.36/83,370.48
  6. Step 6: Final answer
    x = 40,789.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.