Home / 66,097.06-91,214.64-35,882.66

Finding the Fourth Proportional to 66,097.06, 91,214.64 and 35,882.66

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Solution

The fourth proportional to 66,097.06, 91,214.64 and 35,882.66 is: 49,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,097.06 : 91,214.64 = 35,882.66 : x
  2. Step 2: Convert to fraction form
    66,097.06/91,214.64 = 35,882.66/x
  3. Step 3: Cross multiply
    66,097.06x = 91,214.64 × 35,882.66
  4. Step 4: Simplify right side
    66,097.06x = 3,273,023,914.14
  5. Step 5: Solve for x
    x = 3,273,023,914.14/66,097.06
  6. Step 6: Final answer
    x = 49,518.45

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1.5x scale

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.