Home / 66,002.36-91,082.96-35,787.60

Finding the Fourth Proportional to 66,002.36, 91,082.96 and 35,787.60

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Solution

The fourth proportional to 66,002.36, 91,082.96 and 35,787.60 is: 49,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,002.36 : 91,082.96 = 35,787.60 : x
  2. Step 2: Convert to fraction form
    66,002.36/91,082.96 = 35,787.60/x
  3. Step 3: Cross multiply
    66,002.36x = 91,082.96 × 35,787.60
  4. Step 4: Simplify right side
    66,002.36x = 3,259,640,539.30
  5. Step 5: Solve for x
    x = 3,259,640,539.30/66,002.36
  6. Step 6: Final answer
    x = 49,386.73

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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.