Home / 80,452.04-111,018.48-44,639.78

Finding the Fourth Proportional to 80,452.04, 111,018.48 and 44,639.78

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Solution

The fourth proportional to 80,452.04, 111,018.48 and 44,639.78 is: 61,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452.04 : 111,018.48 = 44,639.78 : x
  2. Step 2: Convert to fraction form
    80,452.04/111,018.48 = 44,639.78/x
  3. Step 3: Cross multiply
    80,452.04x = 111,018.48 × 44,639.78
  4. Step 4: Simplify right side
    80,452.04x = 4,955,840,523.13
  5. Step 5: Solve for x
    x = 4,955,840,523.13/80,452.04
  6. Step 6: Final answer
    x = 61,599.94

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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.