Home / 68,092.84-93,890.64-47,943.28

Finding the Fourth Proportional to 68,092.84, 93,890.64 and 47,943.28

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Solution

The fourth proportional to 68,092.84, 93,890.64 and 47,943.28 is: 66,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,092.84 : 93,890.64 = 47,943.28 : x
  2. Step 2: Convert to fraction form
    68,092.84/93,890.64 = 47,943.28/x
  3. Step 3: Cross multiply
    68,092.84x = 93,890.64 × 47,943.28
  4. Step 4: Simplify right side
    68,092.84x = 4,501,425,242.90
  5. Step 5: Solve for x
    x = 4,501,425,242.90/68,092.84
  6. Step 6: Final answer
    x = 66,107.17

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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.