Home / 80,445.18-111,012.65-44,634.42

Finding the Fourth Proportional to 80,445.18, 111,012.65 and 44,634.42

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Solution

The fourth proportional to 80,445.18, 111,012.65 and 44,634.42 is: 61,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,445.18 : 111,012.65 = 44,634.42 : x
  2. Step 2: Convert to fraction form
    80,445.18/111,012.65 = 44,634.42/x
  3. Step 3: Cross multiply
    80,445.18x = 111,012.65 × 44,634.42
  4. Step 4: Simplify right side
    80,445.18x = 4,954,985,022.24
  5. Step 5: Solve for x
    x = 4,954,985,022.24/80,445.18
  6. Step 6: Final answer
    x = 61,594.55

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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.