Home / 65,311.08-90,156.84-44,119.05

Finding the Fourth Proportional to 65,311.08, 90,156.84 and 44,119.05

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Solution

The fourth proportional to 65,311.08, 90,156.84 and 44,119.05 is: 60,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,311.08 : 90,156.84 = 44,119.05 : x
  2. Step 2: Convert to fraction form
    65,311.08/90,156.84 = 44,119.05/x
  3. Step 3: Cross multiply
    65,311.08x = 90,156.84 × 44,119.05
  4. Step 4: Simplify right side
    65,311.08x = 3,977,634,131.80
  5. Step 5: Solve for x
    x = 3,977,634,131.80/65,311.08
  6. Step 6: Final answer
    x = 60,902.90

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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.