Home / 69,489.06-104,233.80-16,898.20

Finding the Fourth Proportional to 69,489.06, 104,233.80 and 16,898.20

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Solution

The fourth proportional to 69,489.06, 104,233.80 and 16,898.20 is: 25,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489.06 : 104,233.80 = 16,898.20 : x
  2. Step 2: Convert to fraction form
    69,489.06/104,233.80 = 16,898.20/x
  3. Step 3: Cross multiply
    69,489.06x = 104,233.80 × 16,898.20
  4. Step 4: Simplify right side
    69,489.06x = 1,761,363,599.16
  5. Step 5: Solve for x
    x = 1,761,363,599.16/69,489.06
  6. Step 6: Final answer
    x = 25,347.35

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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.