Home / 115,132.10-172,721.43-48,572.37

Finding the Fourth Proportional to 115,132.10, 172,721.43 and 48,572.37

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Solution

The fourth proportional to 115,132.10, 172,721.43 and 48,572.37 is: 72,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,132.10 : 172,721.43 = 48,572.37 : x
  2. Step 2: Convert to fraction form
    115,132.10/172,721.43 = 48,572.37/x
  3. Step 3: Cross multiply
    115,132.10x = 172,721.43 × 48,572.37
  4. Step 4: Simplify right side
    115,132.10x = 8,389,489,204.89
  5. Step 5: Solve for x
    x = 8,389,489,204.89/115,132.10
  6. Step 6: Final answer
    x = 72,868.38

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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.