Home / 80,879.04-111,613.14-45,070.29

Finding the Fourth Proportional to 80,879.04, 111,613.14 and 45,070.29

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Solution

The fourth proportional to 80,879.04, 111,613.14 and 45,070.29 is: 62,197.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879.04 : 111,613.14 = 45,070.29 : x
  2. Step 2: Convert to fraction form
    80,879.04/111,613.14 = 45,070.29/x
  3. Step 3: Cross multiply
    80,879.04x = 111,613.14 × 45,070.29
  4. Step 4: Simplify right side
    80,879.04x = 5,030,436,587.61
  5. Step 5: Solve for x
    x = 5,030,436,587.61/80,879.04
  6. Step 6: Final answer
    x = 62,197.04

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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.