Home / 75,396.90-113,023.35-27,999.30

Finding the Fourth Proportional to 75,396.90, 113,023.35 and 27,999.30

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Solution

The fourth proportional to 75,396.90, 113,023.35 and 27,999.30 is: 41,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,396.90 : 113,023.35 = 27,999.30 : x
  2. Step 2: Convert to fraction form
    75,396.90/113,023.35 = 27,999.30/x
  3. Step 3: Cross multiply
    75,396.90x = 113,023.35 × 27,999.30
  4. Step 4: Simplify right side
    75,396.90x = 3,164,574,683.66
  5. Step 5: Solve for x
    x = 3,164,574,683.66/75,396.90
  6. Step 6: Final answer
    x = 41,972.21

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1.5x scale

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.