Home / 115,108.49-172,661.52-44,987.19

Finding the Fourth Proportional to 115,108.49, 172,661.52 and 44,987.19

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Solution

The fourth proportional to 115,108.49, 172,661.52 and 44,987.19 is: 67,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,108.49 : 172,661.52 = 44,987.19 : x
  2. Step 2: Convert to fraction form
    115,108.49/172,661.52 = 44,987.19/x
  3. Step 3: Cross multiply
    115,108.49x = 172,661.52 × 44,987.19
  4. Step 4: Simplify right side
    115,108.49x = 7,767,556,605.93
  5. Step 5: Solve for x
    x = 7,767,556,605.93/115,108.49
  6. Step 6: Final answer
    x = 67,480.31

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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.