Home / 115,006.10-172,514.55-36,122.90

Finding the Fourth Proportional to 115,006.10, 172,514.55 and 36,122.90

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Solution

The fourth proportional to 115,006.10, 172,514.55 and 36,122.90 is: 54,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,006.10 : 172,514.55 = 36,122.90 : x
  2. Step 2: Convert to fraction form
    115,006.10/172,514.55 = 36,122.90/x
  3. Step 3: Cross multiply
    115,006.10x = 172,514.55 × 36,122.90
  4. Step 4: Simplify right side
    115,006.10x = 6,231,725,838.20
  5. Step 5: Solve for x
    x = 6,231,725,838.20/115,006.10
  6. Step 6: Final answer
    x = 54,186.05

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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.