Home / 83,342.75-115,012.55-45,102.27

Finding the Fourth Proportional to 83,342.75, 115,012.55 and 45,102.27

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Solution

The fourth proportional to 83,342.75, 115,012.55 and 45,102.27 is: 62,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,342.75 : 115,012.55 = 45,102.27 : x
  2. Step 2: Convert to fraction form
    83,342.75/115,012.55 = 45,102.27/x
  3. Step 3: Cross multiply
    83,342.75x = 115,012.55 × 45,102.27
  4. Step 4: Simplify right side
    83,342.75x = 5,187,327,083.49
  5. Step 5: Solve for x
    x = 5,187,327,083.49/83,342.75
  6. Step 6: Final answer
    x = 62,240.89

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1.5x scale

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.