Home / 83,319.38-114,987.84-47,499.56

Finding the Fourth Proportional to 83,319.38, 114,987.84 and 47,499.56

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Solution

The fourth proportional to 83,319.38, 114,987.84 and 47,499.56 is: 65,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,319.38 : 114,987.84 = 47,499.56 : x
  2. Step 2: Convert to fraction form
    83,319.38/114,987.84 = 47,499.56/x
  3. Step 3: Cross multiply
    83,319.38x = 114,987.84 × 47,499.56
  4. Step 4: Simplify right side
    83,319.38x = 5,461,871,805.35
  5. Step 5: Solve for x
    x = 5,461,871,805.35/83,319.38
  6. Step 6: Final answer
    x = 65,553.44

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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.