Home / 69,131.20-103,696.80-24,759.40

Finding the Fourth Proportional to 69,131.20, 103,696.80 and 24,759.40

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Solution

The fourth proportional to 69,131.20, 103,696.80 and 24,759.40 is: 37,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,131.20 : 103,696.80 = 24,759.40 : x
  2. Step 2: Convert to fraction form
    69,131.20/103,696.80 = 24,759.40/x
  3. Step 3: Cross multiply
    69,131.20x = 103,696.80 × 24,759.40
  4. Step 4: Simplify right side
    69,131.20x = 2,567,470,549.92
  5. Step 5: Solve for x
    x = 2,567,470,549.92/69,131.20
  6. Step 6: Final answer
    x = 37,139.10

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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.