Home / 66,132.35-91,263.29-35,917.95

Finding the Fourth Proportional to 66,132.35, 91,263.29 and 35,917.95

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Solution

The fourth proportional to 66,132.35, 91,263.29 and 35,917.95 is: 49,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,132.35 : 91,263.29 = 35,917.95 : x
  2. Step 2: Convert to fraction form
    66,132.35/91,263.29 = 35,917.95/x
  3. Step 3: Cross multiply
    66,132.35x = 91,263.29 × 35,917.95
  4. Step 4: Simplify right side
    66,132.35x = 3,277,990,287.06
  5. Step 5: Solve for x
    x = 3,277,990,287.06/66,132.35
  6. Step 6: Final answer
    x = 49,567.13

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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.