Home / 80,436.49-111,015.61-44,638.04

Finding the Fourth Proportional to 80,436.49, 111,015.61 and 44,638.04

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Solution

The fourth proportional to 80,436.49, 111,015.61 and 44,638.04 is: 61,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,436.49 : 111,015.61 = 44,638.04 : x
  2. Step 2: Convert to fraction form
    80,436.49/111,015.61 = 44,638.04/x
  3. Step 3: Cross multiply
    80,436.49x = 111,015.61 × 44,638.04
  4. Step 4: Simplify right side
    80,436.49x = 4,955,519,239.80
  5. Step 5: Solve for x
    x = 4,955,519,239.80/80,436.49
  6. Step 6: Final answer
    x = 61,607.85

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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.