Home / 83,040.60-114,595.40-47,230.57

Finding the Fourth Proportional to 83,040.60, 114,595.40 and 47,230.57

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Solution

The fourth proportional to 83,040.60, 114,595.40 and 47,230.57 is: 65,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,040.60 : 114,595.40 = 47,230.57 : x
  2. Step 2: Convert to fraction form
    83,040.60/114,595.40 = 47,230.57/x
  3. Step 3: Cross multiply
    83,040.60x = 114,595.40 × 47,230.57
  4. Step 4: Simplify right side
    83,040.60x = 5,412,405,252.25
  5. Step 5: Solve for x
    x = 5,412,405,252.25/83,040.60
  6. Step 6: Final answer
    x = 65,177.82

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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.