Home / 83,367.72-115,050.26-45,642.76

Finding the Fourth Proportional to 83,367.72, 115,050.26 and 45,642.76

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Solution

The fourth proportional to 83,367.72, 115,050.26 and 45,642.76 is: 62,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,367.72 : 115,050.26 = 45,642.76 : x
  2. Step 2: Convert to fraction form
    83,367.72/115,050.26 = 45,642.76/x
  3. Step 3: Cross multiply
    83,367.72x = 115,050.26 × 45,642.76
  4. Step 4: Simplify right side
    83,367.72x = 5,251,211,405.12
  5. Step 5: Solve for x
    x = 5,251,211,405.12/83,367.72
  6. Step 6: Final answer
    x = 62,988.55

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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.