Home / 115,041.12-172,553.36-36,177.90

Finding the Fourth Proportional to 115,041.12, 172,553.36 and 36,177.90

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Solution

The fourth proportional to 115,041.12, 172,553.36 and 36,177.90 is: 54,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,041.12 : 172,553.36 = 36,177.90 : x
  2. Step 2: Convert to fraction form
    115,041.12/172,553.36 = 36,177.90/x
  3. Step 3: Cross multiply
    115,041.12x = 172,553.36 × 36,177.90
  4. Step 4: Simplify right side
    115,041.12x = 6,242,618,202.74
  5. Step 5: Solve for x
    x = 6,242,618,202.74/115,041.12
  6. Step 6: Final answer
    x = 54,264.23

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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.