Home / 75,464.46-113,147.01-42,188.04

Finding the Fourth Proportional to 75,464.46, 113,147.01 and 42,188.04

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Solution

The fourth proportional to 75,464.46, 113,147.01 and 42,188.04 is: 63,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.46 : 113,147.01 = 42,188.04 : x
  2. Step 2: Convert to fraction form
    75,464.46/113,147.01 = 42,188.04/x
  3. Step 3: Cross multiply
    75,464.46x = 113,147.01 × 42,188.04
  4. Step 4: Simplify right side
    75,464.46x = 4,773,450,583.76
  5. Step 5: Solve for x
    x = 4,773,450,583.76/75,464.46
  6. Step 6: Final answer
    x = 63,254.29

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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.