Home / 61,157.20-84,361.04-38,460.24

Finding the Fourth Proportional to 61,157.20, 84,361.04 and 38,460.24

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Solution

The fourth proportional to 61,157.20, 84,361.04 and 38,460.24 is: 53,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157.20 : 84,361.04 = 38,460.24 : x
  2. Step 2: Convert to fraction form
    61,157.20/84,361.04 = 38,460.24/x
  3. Step 3: Cross multiply
    61,157.20x = 84,361.04 × 38,460.24
  4. Step 4: Simplify right side
    61,157.20x = 3,244,545,845.05
  5. Step 5: Solve for x
    x = 3,244,545,845.05/61,157.20
  6. Step 6: Final answer
    x = 53,052.56

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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.