Home / 66,132.61-91,263.66-35,918.52

Finding the Fourth Proportional to 66,132.61, 91,263.66 and 35,918.52

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Solution

The fourth proportional to 66,132.61, 91,263.66 and 35,918.52 is: 49,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,132.61 : 91,263.66 = 35,918.52 : x
  2. Step 2: Convert to fraction form
    66,132.61/91,263.66 = 35,918.52/x
  3. Step 3: Cross multiply
    66,132.61x = 91,263.66 × 35,918.52
  4. Step 4: Simplify right side
    66,132.61x = 3,278,055,825.14
  5. Step 5: Solve for x
    x = 3,278,055,825.14/66,132.61
  6. Step 6: Final answer
    x = 49,567.92

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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.