Home / 80,873.40-111,613.50-45,069.24

Finding the Fourth Proportional to 80,873.40, 111,613.50 and 45,069.24

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Solution

The fourth proportional to 80,873.40, 111,613.50 and 45,069.24 is: 62,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873.40 : 111,613.50 = 45,069.24 : x
  2. Step 2: Convert to fraction form
    80,873.40/111,613.50 = 45,069.24/x
  3. Step 3: Cross multiply
    80,873.40x = 111,613.50 × 45,069.24
  4. Step 4: Simplify right side
    80,873.40x = 5,030,335,618.74
  5. Step 5: Solve for x
    x = 5,030,335,618.74/80,873.40
  6. Step 6: Final answer
    x = 62,200.13

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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.