Home / 66,013.12-91,073.73-45,593.83

Finding the Fourth Proportional to 66,013.12, 91,073.73 and 45,593.83

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Solution

The fourth proportional to 66,013.12, 91,073.73 and 45,593.83 is: 62,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,013.12 : 91,073.73 = 45,593.83 : x
  2. Step 2: Convert to fraction form
    66,013.12/91,073.73 = 45,593.83/x
  3. Step 3: Cross multiply
    66,013.12x = 91,073.73 × 45,593.83
  4. Step 4: Simplify right side
    66,013.12x = 4,152,400,163.09
  5. Step 5: Solve for x
    x = 4,152,400,163.09/66,013.12
  6. Step 6: Final answer
    x = 62,902.65

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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.