Home / 80,854.18-110,770.62-77,823.93

Finding the Fourth Proportional to 80,854.18, 110,770.62 and 77,823.93

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Solution

The fourth proportional to 80,854.18, 110,770.62 and 77,823.93 is: 106,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854.18 : 110,770.62 = 77,823.93 : x
  2. Step 2: Convert to fraction form
    80,854.18/110,770.62 = 77,823.93/x
  3. Step 3: Cross multiply
    80,854.18x = 110,770.62 × 77,823.93
  4. Step 4: Simplify right side
    80,854.18x = 8,620,604,423.08
  5. Step 5: Solve for x
    x = 8,620,604,423.08/80,854.18
  6. Step 6: Final answer
    x = 106,619.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.