Home / 115,013.04-172,519.56-31,907.04

Finding the Fourth Proportional to 115,013.04, 172,519.56 and 31,907.04

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Solution

The fourth proportional to 115,013.04, 172,519.56 and 31,907.04 is: 47,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,013.04 : 172,519.56 = 31,907.04 : x
  2. Step 2: Convert to fraction form
    115,013.04/172,519.56 = 31,907.04/x
  3. Step 3: Cross multiply
    115,013.04x = 172,519.56 × 31,907.04
  4. Step 4: Simplify right side
    115,013.04x = 5,504,588,501.70
  5. Step 5: Solve for x
    x = 5,504,588,501.70/115,013.04
  6. Step 6: Final answer
    x = 47,860.56

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1.5x scale

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.