Home / 80,454.04-111,021.24-44,641.78

Finding the Fourth Proportional to 80,454.04, 111,021.24 and 44,641.78

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Solution

The fourth proportional to 80,454.04, 111,021.24 and 44,641.78 is: 61,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,454.04 : 111,021.24 = 44,641.78 : x
  2. Step 2: Convert to fraction form
    80,454.04/111,021.24 = 44,641.78/x
  3. Step 3: Cross multiply
    80,454.04x = 111,021.24 × 44,641.78
  4. Step 4: Simplify right side
    80,454.04x = 4,956,185,771.41
  5. Step 5: Solve for x
    x = 4,956,185,771.41/80,454.04
  6. Step 6: Final answer
    x = 61,602.70

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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.