Home / 66,141.16-99,172.86-26,699.56

Finding the Fourth Proportional to 66,141.16, 99,172.86 and 26,699.56

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Solution

The fourth proportional to 66,141.16, 99,172.86 and 26,699.56 is: 40,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,141.16 : 99,172.86 = 26,699.56 : x
  2. Step 2: Convert to fraction form
    66,141.16/99,172.86 = 26,699.56/x
  3. Step 3: Cross multiply
    66,141.16x = 99,172.86 × 26,699.56
  4. Step 4: Simplify right side
    66,141.16x = 2,647,871,725.94
  5. Step 5: Solve for x
    x = 2,647,871,725.94/66,141.16
  6. Step 6: Final answer
    x = 40,033.65

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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.