Home / 61,819.19-92,727.78-19,698.71

Finding the Fourth Proportional to 61,819.19, 92,727.78 and 19,698.71

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Solution

The fourth proportional to 61,819.19, 92,727.78 and 19,698.71 is: 29,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,819.19 : 92,727.78 = 19,698.71 : x
  2. Step 2: Convert to fraction form
    61,819.19/92,727.78 = 19,698.71/x
  3. Step 3: Cross multiply
    61,819.19x = 92,727.78 × 19,698.71
  4. Step 4: Simplify right side
    61,819.19x = 1,826,617,183.52
  5. Step 5: Solve for x
    x = 1,826,617,183.52/61,819.19
  6. Step 6: Final answer
    x = 29,547.74

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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.