Home / 68,654.25-102,697.02-64,455.21

Finding the Fourth Proportional to 68,654.25, 102,697.02 and 64,455.21

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Solution

The fourth proportional to 68,654.25, 102,697.02 and 64,455.21 is: 96,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,654.25 : 102,697.02 = 64,455.21 : x
  2. Step 2: Convert to fraction form
    68,654.25/102,697.02 = 64,455.21/x
  3. Step 3: Cross multiply
    68,654.25x = 102,697.02 × 64,455.21
  4. Step 4: Simplify right side
    68,654.25x = 6,619,357,990.47
  5. Step 5: Solve for x
    x = 6,619,357,990.47/68,654.25
  6. Step 6: Final answer
    x = 96,415.85

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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.