Home / 67,899.47-101,817.61-39,828.11

Finding the Fourth Proportional to 67,899.47, 101,817.61 and 39,828.11

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Solution

The fourth proportional to 67,899.47, 101,817.61 and 39,828.11 is: 59,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,899.47 : 101,817.61 = 39,828.11 : x
  2. Step 2: Convert to fraction form
    67,899.47/101,817.61 = 39,828.11/x
  3. Step 3: Cross multiply
    67,899.47x = 101,817.61 × 39,828.11
  4. Step 4: Simplify right side
    67,899.47x = 4,055,202,362.36
  5. Step 5: Solve for x
    x = 4,055,202,362.36/67,899.47
  6. Step 6: Final answer
    x = 59,723.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.