Home / 75,982.61-113,904.25-29,200.25

Finding the Fourth Proportional to 75,982.61, 113,904.25 and 29,200.25

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Solution

The fourth proportional to 75,982.61, 113,904.25 and 29,200.25 is: 43,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,982.61 : 113,904.25 = 29,200.25 : x
  2. Step 2: Convert to fraction form
    75,982.61/113,904.25 = 29,200.25/x
  3. Step 3: Cross multiply
    75,982.61x = 113,904.25 × 29,200.25
  4. Step 4: Simplify right side
    75,982.61x = 3,326,032,787.82
  5. Step 5: Solve for x
    x = 3,326,032,787.82/75,982.61
  6. Step 6: Final answer
    x = 43,773.60

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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.