Home / 80,873.18-111,603.49-45,062.43

Finding the Fourth Proportional to 80,873.18, 111,603.49 and 45,062.43

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Solution

The fourth proportional to 80,873.18, 111,603.49 and 45,062.43 is: 62,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873.18 : 111,603.49 = 45,062.43 : x
  2. Step 2: Convert to fraction form
    80,873.18/111,603.49 = 45,062.43/x
  3. Step 3: Cross multiply
    80,873.18x = 111,603.49 × 45,062.43
  4. Step 4: Simplify right side
    80,873.18x = 5,029,124,343.22
  5. Step 5: Solve for x
    x = 5,029,124,343.22/80,873.18
  6. Step 6: Final answer
    x = 62,185.32

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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.