Home / 67,741.29-93,487.91-40,890.33

Finding the Fourth Proportional to 67,741.29, 93,487.91 and 40,890.33

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Solution

The fourth proportional to 67,741.29, 93,487.91 and 40,890.33 is: 56,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,741.29 : 93,487.91 = 40,890.33 : x
  2. Step 2: Convert to fraction form
    67,741.29/93,487.91 = 40,890.33/x
  3. Step 3: Cross multiply
    67,741.29x = 93,487.91 × 40,890.33
  4. Step 4: Simplify right side
    67,741.29x = 3,822,751,286.46
  5. Step 5: Solve for x
    x = 3,822,751,286.46/67,741.29
  6. Step 6: Final answer
    x = 56,431.63

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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.