Home / 83,381.30-115,065.05-45,655.55

Finding the Fourth Proportional to 83,381.30, 115,065.05 and 45,655.55

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Solution

The fourth proportional to 83,381.30, 115,065.05 and 45,655.55 is: 63,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,381.30 : 115,065.05 = 45,655.55 : x
  2. Step 2: Convert to fraction form
    83,381.30/115,065.05 = 45,655.55/x
  3. Step 3: Cross multiply
    83,381.30x = 115,065.05 × 45,655.55
  4. Step 4: Simplify right side
    83,381.30x = 5,253,357,339.92
  5. Step 5: Solve for x
    x = 5,253,357,339.92/83,381.30
  6. Step 6: Final answer
    x = 63,004.03

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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.