Home / 80,371.47-120,529.49-32,973.18

Finding the Fourth Proportional to 80,371.47, 120,529.49 and 32,973.18

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Solution

The fourth proportional to 80,371.47, 120,529.49 and 32,973.18 is: 49,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,371.47 : 120,529.49 = 32,973.18 : x
  2. Step 2: Convert to fraction form
    80,371.47/120,529.49 = 32,973.18/x
  3. Step 3: Cross multiply
    80,371.47x = 120,529.49 × 32,973.18
  4. Step 4: Simplify right side
    80,371.47x = 3,974,240,569.08
  5. Step 5: Solve for x
    x = 3,974,240,569.08/80,371.47
  6. Step 6: Final answer
    x = 49,448.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.