Home / 68,426.37-102,654.77-21,046.23

Finding the Fourth Proportional to 68,426.37, 102,654.77 and 21,046.23

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Solution

The fourth proportional to 68,426.37, 102,654.77 and 21,046.23 is: 31,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,426.37 : 102,654.77 = 21,046.23 : x
  2. Step 2: Convert to fraction form
    68,426.37/102,654.77 = 21,046.23/x
  3. Step 3: Cross multiply
    68,426.37x = 102,654.77 × 21,046.23
  4. Step 4: Simplify right side
    68,426.37x = 2,160,495,794.79
  5. Step 5: Solve for x
    x = 2,160,495,794.79/68,426.37
  6. Step 6: Final answer
    x = 31,574.02

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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.