Home / 115,168.67-172,711.68-44,111.28

Finding the Fourth Proportional to 115,168.67, 172,711.68 and 44,111.28

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Solution

The fourth proportional to 115,168.67, 172,711.68 and 44,111.28 is: 66,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,168.67 : 172,711.68 = 44,111.28 : x
  2. Step 2: Convert to fraction form
    115,168.67/172,711.68 = 44,111.28/x
  3. Step 3: Cross multiply
    115,168.67x = 172,711.68 × 44,111.28
  4. Step 4: Simplify right side
    115,168.67x = 7,618,533,275.75
  5. Step 5: Solve for x
    x = 7,618,533,275.75/115,168.67
  6. Step 6: Final answer
    x = 66,151.09

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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.