Home / 73,211.15-109,832.85-31,127.24

Finding the Fourth Proportional to 73,211.15, 109,832.85 and 31,127.24

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Solution

The fourth proportional to 73,211.15, 109,832.85 and 31,127.24 is: 46,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,211.15 : 109,832.85 = 31,127.24 : x
  2. Step 2: Convert to fraction form
    73,211.15/109,832.85 = 31,127.24/x
  3. Step 3: Cross multiply
    73,211.15x = 109,832.85 × 31,127.24
  4. Step 4: Simplify right side
    73,211.15x = 3,418,793,094.83
  5. Step 5: Solve for x
    x = 3,418,793,094.83/73,211.15
  6. Step 6: Final answer
    x = 46,697.71

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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.