Home / 68,973.80-103,433.36-23,981.74

Finding the Fourth Proportional to 68,973.80, 103,433.36 and 23,981.74

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Solution

The fourth proportional to 68,973.80, 103,433.36 and 23,981.74 is: 35,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,973.80 : 103,433.36 = 23,981.74 : x
  2. Step 2: Convert to fraction form
    68,973.80/103,433.36 = 23,981.74/x
  3. Step 3: Cross multiply
    68,973.80x = 103,433.36 × 23,981.74
  4. Step 4: Simplify right side
    68,973.80x = 2,480,511,568.35
  5. Step 5: Solve for x
    x = 2,480,511,568.35/68,973.80
  6. Step 6: Final answer
    x = 35,963.10

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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.