Home / 68,965.34-103,395.55-35,664.16

Finding the Fourth Proportional to 68,965.34, 103,395.55 and 35,664.16

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Solution

The fourth proportional to 68,965.34, 103,395.55 and 35,664.16 is: 53,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,965.34 : 103,395.55 = 35,664.16 : x
  2. Step 2: Convert to fraction form
    68,965.34/103,395.55 = 35,664.16/x
  3. Step 3: Cross multiply
    68,965.34x = 103,395.55 × 35,664.16
  4. Step 4: Simplify right side
    68,965.34x = 3,687,515,547.13
  5. Step 5: Solve for x
    x = 3,687,515,547.13/68,965.34
  6. Step 6: Final answer
    x = 53,469.12

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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.