Home / 115,966.28-173,922.15-65,387.04

Finding the Fourth Proportional to 115,966.28, 173,922.15 and 65,387.04

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Solution

The fourth proportional to 115,966.28, 173,922.15 and 65,387.04 is: 98,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,966.28 : 173,922.15 = 65,387.04 : x
  2. Step 2: Convert to fraction form
    115,966.28/173,922.15 = 65,387.04/x
  3. Step 3: Cross multiply
    115,966.28x = 173,922.15 × 65,387.04
  4. Step 4: Simplify right side
    115,966.28x = 11,372,254,578.94
  5. Step 5: Solve for x
    x = 11,372,254,578.94/115,966.28
  6. Step 6: Final answer
    x = 98,065.19

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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.