Home / 67,684.23-93,374.92-40,811.81

Finding the Fourth Proportional to 67,684.23, 93,374.92 and 40,811.81

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Solution

The fourth proportional to 67,684.23, 93,374.92 and 40,811.81 is: 56,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,684.23 : 93,374.92 = 40,811.81 : x
  2. Step 2: Convert to fraction form
    67,684.23/93,374.92 = 40,811.81/x
  3. Step 3: Cross multiply
    67,684.23x = 93,374.92 × 40,811.81
  4. Step 4: Simplify right side
    67,684.23x = 3,810,799,493.81
  5. Step 5: Solve for x
    x = 3,810,799,493.81/67,684.23
  6. Step 6: Final answer
    x = 56,302.62

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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.