Home / 68,815.02-103,223.58-31,373.58

Finding the Fourth Proportional to 68,815.02, 103,223.58 and 31,373.58

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Solution

The fourth proportional to 68,815.02, 103,223.58 and 31,373.58 is: 47,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,815.02 : 103,223.58 = 31,373.58 : x
  2. Step 2: Convert to fraction form
    68,815.02/103,223.58 = 31,373.58/x
  3. Step 3: Cross multiply
    68,815.02x = 103,223.58 × 31,373.58
  4. Step 4: Simplify right side
    68,815.02x = 3,238,493,245.02
  5. Step 5: Solve for x
    x = 3,238,493,245.02/68,815.02
  6. Step 6: Final answer
    x = 47,060.85

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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.