Home / 115,034.06-172,592.62-40,165.24

Finding the Fourth Proportional to 115,034.06, 172,592.62 and 40,165.24

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Solution

The fourth proportional to 115,034.06, 172,592.62 and 40,165.24 is: 60,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034.06 : 172,592.62 = 40,165.24 : x
  2. Step 2: Convert to fraction form
    115,034.06/172,592.62 = 40,165.24/x
  3. Step 3: Cross multiply
    115,034.06x = 172,592.62 × 40,165.24
  4. Step 4: Simplify right side
    115,034.06x = 6,932,222,940.74
  5. Step 5: Solve for x
    x = 6,932,222,940.74/115,034.06
  6. Step 6: Final answer
    x = 60,262.35

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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.