Home / 62,479.92-93,724.68-18,107.28

Finding the Fourth Proportional to 62,479.92, 93,724.68 and 18,107.28

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Solution

The fourth proportional to 62,479.92, 93,724.68 and 18,107.28 is: 27,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,479.92 : 93,724.68 = 18,107.28 : x
  2. Step 2: Convert to fraction form
    62,479.92/93,724.68 = 18,107.28/x
  3. Step 3: Cross multiply
    62,479.92x = 93,724.68 × 18,107.28
  4. Step 4: Simplify right side
    62,479.92x = 1,697,099,023.67
  5. Step 5: Solve for x
    x = 1,697,099,023.67/62,479.92
  6. Step 6: Final answer
    x = 27,162.31

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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.