Home / 69,113.35-103,670.03-34,121.35

Finding the Fourth Proportional to 69,113.35, 103,670.03 and 34,121.35

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Solution

The fourth proportional to 69,113.35, 103,670.03 and 34,121.35 is: 51,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,113.35 : 103,670.03 = 34,121.35 : x
  2. Step 2: Convert to fraction form
    69,113.35/103,670.03 = 34,121.35/x
  3. Step 3: Cross multiply
    69,113.35x = 103,670.03 × 34,121.35
  4. Step 4: Simplify right side
    69,113.35x = 3,537,361,378.14
  5. Step 5: Solve for x
    x = 3,537,361,378.14/69,113.35
  6. Step 6: Final answer
    x = 51,182.03

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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.