Home / 80,379.12-110,922.64-44,569.16

Finding the Fourth Proportional to 80,379.12, 110,922.64 and 44,569.16

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Solution

The fourth proportional to 80,379.12, 110,922.64 and 44,569.16 is: 61,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,379.12 : 110,922.64 = 44,569.16 : x
  2. Step 2: Convert to fraction form
    80,379.12/110,922.64 = 44,569.16/x
  3. Step 3: Cross multiply
    80,379.12x = 110,922.64 × 44,569.16
  4. Step 4: Simplify right side
    80,379.12x = 4,943,728,889.78
  5. Step 5: Solve for x
    x = 4,943,728,889.78/80,379.12
  6. Step 6: Final answer
    x = 61,505.14

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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.