Home / 80,862.66-111,590.19-45,053.10

Finding the Fourth Proportional to 80,862.66, 111,590.19 and 45,053.10

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Solution

The fourth proportional to 80,862.66, 111,590.19 and 45,053.10 is: 62,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,862.66 : 111,590.19 = 45,053.10 : x
  2. Step 2: Convert to fraction form
    80,862.66/111,590.19 = 45,053.10/x
  3. Step 3: Cross multiply
    80,862.66x = 111,590.19 × 45,053.10
  4. Step 4: Simplify right side
    80,862.66x = 5,027,483,989.09
  5. Step 5: Solve for x
    x = 5,027,483,989.09/80,862.66
  6. Step 6: Final answer
    x = 62,173.12

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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.