Home / 115,104.06-172,670.67-31,998.06

Finding the Fourth Proportional to 115,104.06, 172,670.67 and 31,998.06

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Solution

The fourth proportional to 115,104.06, 172,670.67 and 31,998.06 is: 48,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,104.06 : 172,670.67 = 31,998.06 : x
  2. Step 2: Convert to fraction form
    115,104.06/172,670.67 = 31,998.06/x
  3. Step 3: Cross multiply
    115,104.06x = 172,670.67 × 31,998.06
  4. Step 4: Simplify right side
    115,104.06x = 5,525,126,458.90
  5. Step 5: Solve for x
    x = 5,525,126,458.90/115,104.06
  6. Step 6: Final answer
    x = 48,001.14

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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.