Home / 80,564.41-111,182.04-55,124.13

Finding the Fourth Proportional to 80,564.41, 111,182.04 and 55,124.13

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Solution

The fourth proportional to 80,564.41, 111,182.04 and 55,124.13 is: 76,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564.41 : 111,182.04 = 55,124.13 : x
  2. Step 2: Convert to fraction form
    80,564.41/111,182.04 = 55,124.13/x
  3. Step 3: Cross multiply
    80,564.41x = 111,182.04 × 55,124.13
  4. Step 4: Simplify right side
    80,564.41x = 6,128,813,643.56
  5. Step 5: Solve for x
    x = 6,128,813,643.56/80,564.41
  6. Step 6: Final answer
    x = 76,073.46

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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.