Home / 83,500.85-115,230.75-45,260.25

Finding the Fourth Proportional to 83,500.85, 115,230.75 and 45,260.25

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Solution

The fourth proportional to 83,500.85, 115,230.75 and 45,260.25 is: 62,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,500.85 : 115,230.75 = 45,260.25 : x
  2. Step 2: Convert to fraction form
    83,500.85/115,230.75 = 45,260.25/x
  3. Step 3: Cross multiply
    83,500.85x = 115,230.75 × 45,260.25
  4. Step 4: Simplify right side
    83,500.85x = 5,215,372,290.30
  5. Step 5: Solve for x
    x = 5,215,372,290.30/83,500.85
  6. Step 6: Final answer
    x = 62,458.91

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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.