Home / 49,741.12-68,638.56-28,515.52

Finding the Fourth Proportional to 49,741.12, 68,638.56 and 28,515.52

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Solution

The fourth proportional to 49,741.12, 68,638.56 and 28,515.52 is: 39,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,741.12 : 68,638.56 = 28,515.52 : x
  2. Step 2: Convert to fraction form
    49,741.12/68,638.56 = 28,515.52/x
  3. Step 3: Cross multiply
    49,741.12x = 68,638.56 × 28,515.52
  4. Step 4: Simplify right side
    49,741.12x = 1,957,264,230.45
  5. Step 5: Solve for x
    x = 1,957,264,230.45/49,741.12
  6. Step 6: Final answer
    x = 39,349.02

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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.