Home / 67,769.94-93,519.96-39,090.81

Finding the Fourth Proportional to 67,769.94, 93,519.96 and 39,090.81

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Solution

The fourth proportional to 67,769.94, 93,519.96 and 39,090.81 is: 53,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,769.94 : 93,519.96 = 39,090.81 : x
  2. Step 2: Convert to fraction form
    67,769.94/93,519.96 = 39,090.81/x
  3. Step 3: Cross multiply
    67,769.94x = 93,519.96 × 39,090.81
  4. Step 4: Simplify right side
    67,769.94x = 3,655,770,987.57
  5. Step 5: Solve for x
    x = 3,655,770,987.57/67,769.94
  6. Step 6: Final answer
    x = 53,943.84

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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.