Home / 65,729.10-98,557.20-26,241.60

Finding the Fourth Proportional to 65,729.10, 98,557.20 and 26,241.60

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Solution

The fourth proportional to 65,729.10, 98,557.20 and 26,241.60 is: 39,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,729.10 : 98,557.20 = 26,241.60 : x
  2. Step 2: Convert to fraction form
    65,729.10/98,557.20 = 26,241.60/x
  3. Step 3: Cross multiply
    65,729.10x = 98,557.20 × 26,241.60
  4. Step 4: Simplify right side
    65,729.10x = 2,586,298,619.52
  5. Step 5: Solve for x
    x = 2,586,298,619.52/65,729.10
  6. Step 6: Final answer
    x = 39,347.85

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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.