Home / 66,086.12-91,197.06-35,870.06

Finding the Fourth Proportional to 66,086.12, 91,197.06 and 35,870.06

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Solution

The fourth proportional to 66,086.12, 91,197.06 and 35,870.06 is: 49,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,086.12 : 91,197.06 = 35,870.06 : x
  2. Step 2: Convert to fraction form
    66,086.12/91,197.06 = 35,870.06/x
  3. Step 3: Cross multiply
    66,086.12x = 91,197.06 × 35,870.06
  4. Step 4: Simplify right side
    66,086.12x = 3,271,244,014.02
  5. Step 5: Solve for x
    x = 3,271,244,014.02/66,086.12
  6. Step 6: Final answer
    x = 49,499.71

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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.