Home / 68,905.02-103,364.10-26,788.38

Finding the Fourth Proportional to 68,905.02, 103,364.10 and 26,788.38

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Solution

The fourth proportional to 68,905.02, 103,364.10 and 26,788.38 is: 40,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905.02 : 103,364.10 = 26,788.38 : x
  2. Step 2: Convert to fraction form
    68,905.02/103,364.10 = 26,788.38/x
  3. Step 3: Cross multiply
    68,905.02x = 103,364.10 × 26,788.38
  4. Step 4: Simplify right side
    68,905.02x = 2,768,956,789.16
  5. Step 5: Solve for x
    x = 2,768,956,789.16/68,905.02
  6. Step 6: Final answer
    x = 40,185.12

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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.