Home / 67,724.49-93,460.49-40,861.81

Finding the Fourth Proportional to 67,724.49, 93,460.49 and 40,861.81

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Solution

The fourth proportional to 67,724.49, 93,460.49 and 40,861.81 is: 56,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724.49 : 93,460.49 = 40,861.81 : x
  2. Step 2: Convert to fraction form
    67,724.49/93,460.49 = 40,861.81/x
  3. Step 3: Cross multiply
    67,724.49x = 93,460.49 × 40,861.81
  4. Step 4: Simplify right side
    67,724.49x = 3,818,964,113.28
  5. Step 5: Solve for x
    x = 3,818,964,113.28/67,724.49
  6. Step 6: Final answer
    x = 56,389.71

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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.