Home / 66,201.13-91,359.34-35,988.48

Finding the Fourth Proportional to 66,201.13, 91,359.34 and 35,988.48

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Solution

The fourth proportional to 66,201.13, 91,359.34 and 35,988.48 is: 49,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,201.13 : 91,359.34 = 35,988.48 : x
  2. Step 2: Convert to fraction form
    66,201.13/91,359.34 = 35,988.48/x
  3. Step 3: Cross multiply
    66,201.13x = 91,359.34 × 35,988.48
  4. Step 4: Simplify right side
    66,201.13x = 3,287,883,690.43
  5. Step 5: Solve for x
    x = 3,287,883,690.43/66,201.13
  6. Step 6: Final answer
    x = 49,665.07

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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.