Home / 66,015.02-91,066.83-43,350.73

Finding the Fourth Proportional to 66,015.02, 91,066.83 and 43,350.73

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Solution

The fourth proportional to 66,015.02, 91,066.83 and 43,350.73 is: 59,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,015.02 : 91,066.83 = 43,350.73 : x
  2. Step 2: Convert to fraction form
    66,015.02/91,066.83 = 43,350.73/x
  3. Step 3: Cross multiply
    66,015.02x = 91,066.83 × 43,350.73
  4. Step 4: Simplify right side
    66,015.02x = 3,947,813,559.29
  5. Step 5: Solve for x
    x = 3,947,813,559.29/66,015.02
  6. Step 6: Final answer
    x = 59,801.75

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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.