Home / 115,274.75-172,930.55-48,715.43

Finding the Fourth Proportional to 115,274.75, 172,930.55 and 48,715.43

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Solution

The fourth proportional to 115,274.75, 172,930.55 and 48,715.43 is: 73,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,274.75 : 172,930.55 = 48,715.43 : x
  2. Step 2: Convert to fraction form
    115,274.75/172,930.55 = 48,715.43/x
  3. Step 3: Cross multiply
    115,274.75x = 172,930.55 × 48,715.43
  4. Step 4: Simplify right side
    115,274.75x = 8,424,384,995.16
  5. Step 5: Solve for x
    x = 8,424,384,995.16/115,274.75
  6. Step 6: Final answer
    x = 73,080.93

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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.