Home / 68,784.74-103,088.28-30,806.26

Finding the Fourth Proportional to 68,784.74, 103,088.28 and 30,806.26

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Solution

The fourth proportional to 68,784.74, 103,088.28 and 30,806.26 is: 46,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,784.74 : 103,088.28 = 30,806.26 : x
  2. Step 2: Convert to fraction form
    68,784.74/103,088.28 = 30,806.26/x
  3. Step 3: Cross multiply
    68,784.74x = 103,088.28 × 30,806.26
  4. Step 4: Simplify right side
    68,784.74x = 3,175,764,098.91
  5. Step 5: Solve for x
    x = 3,175,764,098.91/68,784.74
  6. Step 6: Final answer
    x = 46,169.61

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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.