Home / 93,141.77-139,722.66-39,839.29

Finding the Fourth Proportional to 93,141.77, 139,722.66 and 39,839.29

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Solution

The fourth proportional to 93,141.77, 139,722.66 and 39,839.29 is: 59,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,141.77 : 139,722.66 = 39,839.29 : x
  2. Step 2: Convert to fraction form
    93,141.77/139,722.66 = 39,839.29/x
  3. Step 3: Cross multiply
    93,141.77x = 139,722.66 × 39,839.29
  4. Step 4: Simplify right side
    93,141.77x = 5,566,451,571.31
  5. Step 5: Solve for x
    x = 5,566,451,571.31/93,141.77
  6. Step 6: Final answer
    x = 59,763.21

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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.