Home / 66,164.32-91,268.40-43,507.36

Finding the Fourth Proportional to 66,164.32, 91,268.40 and 43,507.36

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Solution

The fourth proportional to 66,164.32, 91,268.40 and 43,507.36 is: 60,014.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,164.32 : 91,268.40 = 43,507.36 : x
  2. Step 2: Convert to fraction form
    66,164.32/91,268.40 = 43,507.36/x
  3. Step 3: Cross multiply
    66,164.32x = 91,268.40 × 43,507.36
  4. Step 4: Simplify right side
    66,164.32x = 3,970,847,135.42
  5. Step 5: Solve for x
    x = 3,970,847,135.42/66,164.32
  6. Step 6: Final answer
    x = 60,014.93

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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.