Home / 66,168.97-91,324.07-48,323.05

Finding the Fourth Proportional to 66,168.97, 91,324.07 and 48,323.05

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Solution

The fourth proportional to 66,168.97, 91,324.07 and 48,323.05 is: 66,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168.97 : 91,324.07 = 48,323.05 : x
  2. Step 2: Convert to fraction form
    66,168.97/91,324.07 = 48,323.05/x
  3. Step 3: Cross multiply
    66,168.97x = 91,324.07 × 48,323.05
  4. Step 4: Simplify right side
    66,168.97x = 4,413,057,600.81
  5. Step 5: Solve for x
    x = 4,413,057,600.81/66,168.97
  6. Step 6: Final answer
    x = 66,693.76

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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.