Home / 80,685.77-111,345.74-44,386.43

Finding the Fourth Proportional to 80,685.77, 111,345.74 and 44,386.43

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Solution

The fourth proportional to 80,685.77, 111,345.74 and 44,386.43 is: 61,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.77 : 111,345.74 = 44,386.43 : x
  2. Step 2: Convert to fraction form
    80,685.77/111,345.74 = 44,386.43/x
  3. Step 3: Cross multiply
    80,685.77x = 111,345.74 × 44,386.43
  4. Step 4: Simplify right side
    80,685.77x = 4,942,239,672.38
  5. Step 5: Solve for x
    x = 4,942,239,672.38/80,685.77
  6. Step 6: Final answer
    x = 61,252.93

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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.