Home / 74,757.18-112,157.40-22,167.90

Finding the Fourth Proportional to 74,757.18, 112,157.40 and 22,167.90

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Solution

The fourth proportional to 74,757.18, 112,157.40 and 22,167.90 is: 33,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,757.18 : 112,157.40 = 22,167.90 : x
  2. Step 2: Convert to fraction form
    74,757.18/112,157.40 = 22,167.90/x
  3. Step 3: Cross multiply
    74,757.18x = 112,157.40 × 22,167.90
  4. Step 4: Simplify right side
    74,757.18x = 2,486,294,027.46
  5. Step 5: Solve for x
    x = 2,486,294,027.46/74,757.18
  6. Step 6: Final answer
    x = 33,258.26

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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.