Home / 49,919.04-68,889.12-27,259.20

Finding the Fourth Proportional to 49,919.04, 68,889.12 and 27,259.20

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Solution

The fourth proportional to 49,919.04, 68,889.12 and 27,259.20 is: 37,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,919.04 : 68,889.12 = 27,259.20 : x
  2. Step 2: Convert to fraction form
    49,919.04/68,889.12 = 27,259.20/x
  3. Step 3: Cross multiply
    49,919.04x = 68,889.12 × 27,259.20
  4. Step 4: Simplify right side
    49,919.04x = 1,877,862,299.90
  5. Step 5: Solve for x
    x = 1,877,862,299.90/49,919.04
  6. Step 6: Final answer
    x = 37,618.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.