Home / 207,712.72-311,569.08-49,941.17

Finding the Fourth Proportional to 207,712.72, 311,569.08 and 49,941.17

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Solution

The fourth proportional to 207,712.72, 311,569.08 and 49,941.17 is: 74,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,712.72 : 311,569.08 = 49,941.17 : x
  2. Step 2: Convert to fraction form
    207,712.72/311,569.08 = 49,941.17/x
  3. Step 3: Cross multiply
    207,712.72x = 311,569.08 × 49,941.17
  4. Step 4: Simplify right side
    207,712.72x = 15,560,124,391.02
  5. Step 5: Solve for x
    x = 15,560,124,391.02/207,712.72
  6. Step 6: Final answer
    x = 74,911.76

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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.