Home / 115,060.48-172,586.61-40,180.33

Finding the Fourth Proportional to 115,060.48, 172,586.61 and 40,180.33

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Solution

The fourth proportional to 115,060.48, 172,586.61 and 40,180.33 is: 60,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060.48 : 172,586.61 = 40,180.33 : x
  2. Step 2: Convert to fraction form
    115,060.48/172,586.61 = 40,180.33/x
  3. Step 3: Cross multiply
    115,060.48x = 172,586.61 × 40,180.33
  4. Step 4: Simplify right side
    115,060.48x = 6,934,587,159.11
  5. Step 5: Solve for x
    x = 6,934,587,159.11/115,060.48
  6. Step 6: Final answer
    x = 60,269.06

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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.