Home / 75,539.10-113,345.10-53,304.60

Finding the Fourth Proportional to 75,539.10, 113,345.10 and 53,304.60

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Solution

The fourth proportional to 75,539.10, 113,345.10 and 53,304.60 is: 79,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,539.10 : 113,345.10 = 53,304.60 : x
  2. Step 2: Convert to fraction form
    75,539.10/113,345.10 = 53,304.60/x
  3. Step 3: Cross multiply
    75,539.10x = 113,345.10 × 53,304.60
  4. Step 4: Simplify right side
    75,539.10x = 6,041,815,217.46
  5. Step 5: Solve for x
    x = 6,041,815,217.46/75,539.10
  6. Step 6: Final answer
    x = 79,982.62

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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.