Home / 115,078.48-172,613.62-35,113.21

Finding the Fourth Proportional to 115,078.48, 172,613.62 and 35,113.21

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Solution

The fourth proportional to 115,078.48, 172,613.62 and 35,113.21 is: 52,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,078.48 : 172,613.62 = 35,113.21 : x
  2. Step 2: Convert to fraction form
    115,078.48/172,613.62 = 35,113.21/x
  3. Step 3: Cross multiply
    115,078.48x = 172,613.62 × 35,113.21
  4. Step 4: Simplify right side
    115,078.48x = 6,061,018,287.92
  5. Step 5: Solve for x
    x = 6,061,018,287.92/115,078.48
  6. Step 6: Final answer
    x = 52,668.56

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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.