Home / 80,657.93-111,301.74-44,842.16

Finding the Fourth Proportional to 80,657.93, 111,301.74 and 44,842.16

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Solution

The fourth proportional to 80,657.93, 111,301.74 and 44,842.16 is: 61,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,657.93 : 111,301.74 = 44,842.16 : x
  2. Step 2: Convert to fraction form
    80,657.93/111,301.74 = 44,842.16/x
  3. Step 3: Cross multiply
    80,657.93x = 111,301.74 × 44,842.16
  4. Step 4: Simplify right side
    80,657.93x = 4,991,009,876.85
  5. Step 5: Solve for x
    x = 4,991,009,876.85/80,657.93
  6. Step 6: Final answer
    x = 61,878.73

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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.