Home / 123,941.11-185,878.44-53,803.75

Finding the Fourth Proportional to 123,941.11, 185,878.44 and 53,803.75

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Solution

The fourth proportional to 123,941.11, 185,878.44 and 53,803.75 is: 80,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.11 : 185,878.44 = 53,803.75 : x
  2. Step 2: Convert to fraction form
    123,941.11/185,878.44 = 53,803.75/x
  3. Step 3: Cross multiply
    123,941.11x = 185,878.44 × 53,803.75
  4. Step 4: Simplify right side
    123,941.11x = 10,000,957,116.15
  5. Step 5: Solve for x
    x = 10,000,957,116.15/123,941.11
  6. Step 6: Final answer
    x = 80,691.20

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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.