Home / 68,860.56-95,023.68-38,643.06

Finding the Fourth Proportional to 68,860.56, 95,023.68 and 38,643.06

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Solution

The fourth proportional to 68,860.56, 95,023.68 and 38,643.06 is: 53,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,860.56 : 95,023.68 = 38,643.06 : x
  2. Step 2: Convert to fraction form
    68,860.56/95,023.68 = 38,643.06/x
  3. Step 3: Cross multiply
    68,860.56x = 95,023.68 × 38,643.06
  4. Step 4: Simplify right side
    68,860.56x = 3,672,005,767.66
  5. Step 5: Solve for x
    x = 3,672,005,767.66/68,860.56
  6. Step 6: Final answer
    x = 53,325.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.