Home / 51,415.12-77,069.04-25,083.68

Finding the Fourth Proportional to 51,415.12, 77,069.04 and 25,083.68

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Solution

The fourth proportional to 51,415.12, 77,069.04 and 25,083.68 is: 37,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,415.12 : 77,069.04 = 25,083.68 : x
  2. Step 2: Convert to fraction form
    51,415.12/77,069.04 = 25,083.68/x
  3. Step 3: Cross multiply
    51,415.12x = 77,069.04 × 25,083.68
  4. Step 4: Simplify right side
    51,415.12x = 1,933,175,137.27
  5. Step 5: Solve for x
    x = 1,933,175,137.27/51,415.12
  6. Step 6: Final answer
    x = 37,599.35

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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.