Home / 83,723.68-115,534.74-45,997.12

Finding the Fourth Proportional to 83,723.68, 115,534.74 and 45,997.12

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Solution

The fourth proportional to 83,723.68, 115,534.74 and 45,997.12 is: 63,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,723.68 : 115,534.74 = 45,997.12 : x
  2. Step 2: Convert to fraction form
    83,723.68/115,534.74 = 45,997.12/x
  3. Step 3: Cross multiply
    83,723.68x = 115,534.74 × 45,997.12
  4. Step 4: Simplify right side
    83,723.68x = 5,314,265,299.95
  5. Step 5: Solve for x
    x = 5,314,265,299.95/83,723.68
  6. Step 6: Final answer
    x = 63,473.86

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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.