Home / 115,053.42-172,587.57-36,170.70

Finding the Fourth Proportional to 115,053.42, 172,587.57 and 36,170.70

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Solution

The fourth proportional to 115,053.42, 172,587.57 and 36,170.70 is: 54,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,053.42 : 172,587.57 = 36,170.70 : x
  2. Step 2: Convert to fraction form
    115,053.42/172,587.57 = 36,170.70/x
  3. Step 3: Cross multiply
    115,053.42x = 172,587.57 × 36,170.70
  4. Step 4: Simplify right side
    115,053.42x = 6,242,613,218.20
  5. Step 5: Solve for x
    x = 6,242,613,218.20/115,053.42
  6. Step 6: Final answer
    x = 54,258.39

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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.