Home / 68,103.60-93,981.06-37,887.36

Finding the Fourth Proportional to 68,103.60, 93,981.06 and 37,887.36

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Solution

The fourth proportional to 68,103.60, 93,981.06 and 37,887.36 is: 52,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,103.60 : 93,981.06 = 37,887.36 : x
  2. Step 2: Convert to fraction form
    68,103.60/93,981.06 = 37,887.36/x
  3. Step 3: Cross multiply
    68,103.60x = 93,981.06 × 37,887.36
  4. Step 4: Simplify right side
    68,103.60x = 3,560,694,253.40
  5. Step 5: Solve for x
    x = 3,560,694,253.40/68,103.60
  6. Step 6: Final answer
    x = 52,283.50

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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.