Home / 90,881.12-136,380.00-44,108.48

Finding the Fourth Proportional to 90,881.12, 136,380.00 and 44,108.48

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Solution

The fourth proportional to 90,881.12, 136,380.00 and 44,108.48 is: 66,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,881.12 : 136,380.00 = 44,108.48 : x
  2. Step 2: Convert to fraction form
    90,881.12/136,380.00 = 44,108.48/x
  3. Step 3: Cross multiply
    90,881.12x = 136,380.00 × 44,108.48
  4. Step 4: Simplify right side
    90,881.12x = 6,015,515,008.76
  5. Step 5: Solve for x
    x = 6,015,515,008.76/90,881.12
  6. Step 6: Final answer
    x = 66,191.03

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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.