Home / 68,531.32-94,494.90-55,749.52

Finding the Fourth Proportional to 68,531.32, 94,494.90 and 55,749.52

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Solution

The fourth proportional to 68,531.32, 94,494.90 and 55,749.52 is: 76,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,531.32 : 94,494.90 = 55,749.52 : x
  2. Step 2: Convert to fraction form
    68,531.32/94,494.90 = 55,749.52/x
  3. Step 3: Cross multiply
    68,531.32x = 94,494.90 × 55,749.52
  4. Step 4: Simplify right side
    68,531.32x = 5,268,045,317.45
  5. Step 5: Solve for x
    x = 5,268,045,317.45/68,531.32
  6. Step 6: Final answer
    x = 76,870.62

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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.