Home / 61,915.96-85,444.38-33,621.88

Finding the Fourth Proportional to 61,915.96, 85,444.38 and 33,621.88

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Solution

The fourth proportional to 61,915.96, 85,444.38 and 33,621.88 is: 46,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,915.96 : 85,444.38 = 33,621.88 : x
  2. Step 2: Convert to fraction form
    61,915.96/85,444.38 = 33,621.88/x
  3. Step 3: Cross multiply
    61,915.96x = 85,444.38 × 33,621.88
  4. Step 4: Simplify right side
    61,915.96x = 2,872,800,691.03
  5. Step 5: Solve for x
    x = 2,872,800,691.03/61,915.96
  6. Step 6: Final answer
    x = 46,398.39

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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.