Home / 115,068.17-172,544.54-67,052.33

Finding the Fourth Proportional to 115,068.17, 172,544.54 and 67,052.33

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Solution

The fourth proportional to 115,068.17, 172,544.54 and 67,052.33 is: 100,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,068.17 : 172,544.54 = 67,052.33 : x
  2. Step 2: Convert to fraction form
    115,068.17/172,544.54 = 67,052.33/x
  3. Step 3: Cross multiply
    115,068.17x = 172,544.54 × 67,052.33
  4. Step 4: Simplify right side
    115,068.17x = 11,569,513,435.78
  5. Step 5: Solve for x
    x = 11,569,513,435.78/115,068.17
  6. Step 6: Final answer
    x = 100,544.86

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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.