Home / 66,305.72-99,440.06-26,306.71

Finding the Fourth Proportional to 66,305.72, 99,440.06 and 26,306.71

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Solution

The fourth proportional to 66,305.72, 99,440.06 and 26,306.71 is: 39,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,305.72 : 99,440.06 = 26,306.71 : x
  2. Step 2: Convert to fraction form
    66,305.72/99,440.06 = 26,306.71/x
  3. Step 3: Cross multiply
    66,305.72x = 99,440.06 × 26,306.71
  4. Step 4: Simplify right side
    66,305.72x = 2,615,940,440.67
  5. Step 5: Solve for x
    x = 2,615,940,440.67/66,305.72
  6. Step 6: Final answer
    x = 39,452.71

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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.