Home / 75,872.16-113,807.52-29,157.60

Finding the Fourth Proportional to 75,872.16, 113,807.52 and 29,157.60

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Solution

The fourth proportional to 75,872.16, 113,807.52 and 29,157.60 is: 43,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,872.16 : 113,807.52 = 29,157.60 : x
  2. Step 2: Convert to fraction form
    75,872.16/113,807.52 = 29,157.60/x
  3. Step 3: Cross multiply
    75,872.16x = 113,807.52 × 29,157.60
  4. Step 4: Simplify right side
    75,872.16x = 3,318,354,145.15
  5. Step 5: Solve for x
    x = 3,318,354,145.15/75,872.16
  6. Step 6: Final answer
    x = 43,736.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.