Home / 66,538.78-99,806.49-27,095.78

Finding the Fourth Proportional to 66,538.78, 99,806.49 and 27,095.78

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Solution

The fourth proportional to 66,538.78, 99,806.49 and 27,095.78 is: 40,642.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.78 : 99,806.49 = 27,095.78 : x
  2. Step 2: Convert to fraction form
    66,538.78/99,806.49 = 27,095.78/x
  3. Step 3: Cross multiply
    66,538.78x = 99,806.49 × 27,095.78
  4. Step 4: Simplify right side
    66,538.78x = 2,704,334,945.13
  5. Step 5: Solve for x
    x = 2,704,334,945.13/66,538.78
  6. Step 6: Final answer
    x = 40,642.99

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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.