Home / 80,342.09-110,870.19-46,350.65

Finding the Fourth Proportional to 80,342.09, 110,870.19 and 46,350.65

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Solution

The fourth proportional to 80,342.09, 110,870.19 and 46,350.65 is: 63,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,342.09 : 110,870.19 = 46,350.65 : x
  2. Step 2: Convert to fraction form
    80,342.09/110,870.19 = 46,350.65/x
  3. Step 3: Cross multiply
    80,342.09x = 110,870.19 × 46,350.65
  4. Step 4: Simplify right side
    80,342.09x = 5,138,904,817.77
  5. Step 5: Solve for x
    x = 5,138,904,817.77/80,342.09
  6. Step 6: Final answer
    x = 63,962.80

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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.