Home / 68,989.14-95,204.16-38,779.59

Finding the Fourth Proportional to 68,989.14, 95,204.16 and 38,779.59

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Solution

The fourth proportional to 68,989.14, 95,204.16 and 38,779.59 is: 53,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989.14 : 95,204.16 = 38,779.59 : x
  2. Step 2: Convert to fraction form
    68,989.14/95,204.16 = 38,779.59/x
  3. Step 3: Cross multiply
    68,989.14x = 95,204.16 × 38,779.59
  4. Step 4: Simplify right side
    68,989.14x = 3,691,978,291.09
  5. Step 5: Solve for x
    x = 3,691,978,291.09/68,989.14
  6. Step 6: Final answer
    x = 53,515.35

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1.5x scale

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.