Home / 80,873.50-111,603.92-45,062.74

Finding the Fourth Proportional to 80,873.50, 111,603.92 and 45,062.74

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Solution

The fourth proportional to 80,873.50, 111,603.92 and 45,062.74 is: 62,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873.50 : 111,603.92 = 45,062.74 : x
  2. Step 2: Convert to fraction form
    80,873.50/111,603.92 = 45,062.74/x
  3. Step 3: Cross multiply
    80,873.50x = 111,603.92 × 45,062.74
  4. Step 4: Simplify right side
    80,873.50x = 5,029,178,429.94
  5. Step 5: Solve for x
    x = 5,029,178,429.94/80,873.50
  6. Step 6: Final answer
    x = 62,185.74

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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.