Home / 71,535.06-98,717.67-39,703.14

Finding the Fourth Proportional to 71,535.06, 98,717.67 and 39,703.14

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Solution

The fourth proportional to 71,535.06, 98,717.67 and 39,703.14 is: 54,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535.06 : 98,717.67 = 39,703.14 : x
  2. Step 2: Convert to fraction form
    71,535.06/98,717.67 = 39,703.14/x
  3. Step 3: Cross multiply
    71,535.06x = 98,717.67 × 39,703.14
  4. Step 4: Simplify right side
    71,535.06x = 3,919,401,472.48
  5. Step 5: Solve for x
    x = 3,919,401,472.48/71,535.06
  6. Step 6: Final answer
    x = 54,789.94

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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.