Home / 115,320.63-159,158.28-67,593

Finding the Fourth Proportional to 115,320.63, 159,158.28 and 67,593

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Solution

The fourth proportional to 115,320.63, 159,158.28 and 67,593 is: 93,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,320.63 : 159,158.28 = 67,593 : x
  2. Step 2: Convert to fraction form
    115,320.63/159,158.28 = 67,593/x
  3. Step 3: Cross multiply
    115,320.63x = 159,158.28 × 67,593
  4. Step 4: Simplify right side
    115,320.63x = 10,757,985,620.04
  5. Step 5: Solve for x
    x = 10,757,985,620.04/115,320.63
  6. Step 6: Final answer
    x = 93,287.61

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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.