Home / 48,578.34-72,857.79-13,508.58

Finding the Fourth Proportional to 48,578.34, 72,857.79 and 13,508.58

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Solution

The fourth proportional to 48,578.34, 72,857.79 and 13,508.58 is: 20,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,578.34 : 72,857.79 = 13,508.58 : x
  2. Step 2: Convert to fraction form
    48,578.34/72,857.79 = 13,508.58/x
  3. Step 3: Cross multiply
    48,578.34x = 72,857.79 × 13,508.58
  4. Step 4: Simplify right side
    48,578.34x = 984,205,284.84
  5. Step 5: Solve for x
    x = 984,205,284.84/48,578.34
  6. Step 6: Final answer
    x = 20,260.17

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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.