Home / 115,264.31-159,080.36-67,536.68

Finding the Fourth Proportional to 115,264.31, 159,080.36 and 67,536.68

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Solution

The fourth proportional to 115,264.31, 159,080.36 and 67,536.68 is: 93,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,264.31 : 159,080.36 = 67,536.68 : x
  2. Step 2: Convert to fraction form
    115,264.31/159,080.36 = 67,536.68/x
  3. Step 3: Cross multiply
    115,264.31x = 159,080.36 × 67,536.68
  4. Step 4: Simplify right side
    115,264.31x = 10,743,758,234.52
  5. Step 5: Solve for x
    x = 10,743,758,234.52/115,264.31
  6. Step 6: Final answer
    x = 93,209.76

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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.