Home / 80,710.56-111,380.04-44,411.76

Finding the Fourth Proportional to 80,710.56, 111,380.04 and 44,411.76

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Solution

The fourth proportional to 80,710.56, 111,380.04 and 44,411.76 is: 61,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,710.56 : 111,380.04 = 44,411.76 : x
  2. Step 2: Convert to fraction form
    80,710.56/111,380.04 = 44,411.76/x
  3. Step 3: Cross multiply
    80,710.56x = 111,380.04 × 44,411.76
  4. Step 4: Simplify right side
    80,710.56x = 4,946,583,605.27
  5. Step 5: Solve for x
    x = 4,946,583,605.27/80,710.56
  6. Step 6: Final answer
    x = 61,287.94

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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.