Home / 66,360.91-91,576.68-36,146.77

Finding the Fourth Proportional to 66,360.91, 91,576.68 and 36,146.77

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Solution

The fourth proportional to 66,360.91, 91,576.68 and 36,146.77 is: 49,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.91 : 91,576.68 = 36,146.77 : x
  2. Step 2: Convert to fraction form
    66,360.91/91,576.68 = 36,146.77/x
  3. Step 3: Cross multiply
    66,360.91x = 91,576.68 × 36,146.77
  4. Step 4: Simplify right side
    66,360.91x = 3,310,201,189.32
  5. Step 5: Solve for x
    x = 3,310,201,189.32/66,360.91
  6. Step 6: Final answer
    x = 49,881.79

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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.