Home / 68,089.25-93,898.54-40,861.19

Finding the Fourth Proportional to 68,089.25, 93,898.54 and 40,861.19

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Solution

The fourth proportional to 68,089.25, 93,898.54 and 40,861.19 is: 56,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.25 : 93,898.54 = 40,861.19 : x
  2. Step 2: Convert to fraction form
    68,089.25/93,898.54 = 40,861.19/x
  3. Step 3: Cross multiply
    68,089.25x = 93,898.54 × 40,861.19
  4. Step 4: Simplify right side
    68,089.25x = 3,836,806,083.66
  5. Step 5: Solve for x
    x = 3,836,806,083.66/68,089.25
  6. Step 6: Final answer
    x = 56,349.66

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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.