Home / 109,579.02-164,390.88-49,578.68

Finding the Fourth Proportional to 109,579.02, 164,390.88 and 49,578.68

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Solution

The fourth proportional to 109,579.02, 164,390.88 and 49,578.68 is: 74,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,579.02 : 164,390.88 = 49,578.68 : x
  2. Step 2: Convert to fraction form
    109,579.02/164,390.88 = 49,578.68/x
  3. Step 3: Cross multiply
    109,579.02x = 164,390.88 × 49,578.68
  4. Step 4: Simplify right side
    109,579.02x = 8,150,282,834.44
  5. Step 5: Solve for x
    x = 8,150,282,834.44/109,579.02
  6. Step 6: Final answer
    x = 74,378.13

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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.