Home / 114,986.01-172,479.78-40,105.88

Finding the Fourth Proportional to 114,986.01, 172,479.78 and 40,105.88

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Solution

The fourth proportional to 114,986.01, 172,479.78 and 40,105.88 is: 60,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,986.01 : 172,479.78 = 40,105.88 : x
  2. Step 2: Convert to fraction form
    114,986.01/172,479.78 = 40,105.88/x
  3. Step 3: Cross multiply
    114,986.01x = 172,479.78 × 40,105.88
  4. Step 4: Simplify right side
    114,986.01x = 6,917,452,496.71
  5. Step 5: Solve for x
    x = 6,917,452,496.71/114,986.01
  6. Step 6: Final answer
    x = 60,159.08

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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.