Home / 68,688.20-103,032.30-29,246.60

Finding the Fourth Proportional to 68,688.20, 103,032.30 and 29,246.60

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Solution

The fourth proportional to 68,688.20, 103,032.30 and 29,246.60 is: 43,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688.20 : 103,032.30 = 29,246.60 : x
  2. Step 2: Convert to fraction form
    68,688.20/103,032.30 = 29,246.60/x
  3. Step 3: Cross multiply
    68,688.20x = 103,032.30 × 29,246.60
  4. Step 4: Simplify right side
    68,688.20x = 3,013,344,465.18
  5. Step 5: Solve for x
    x = 3,013,344,465.18/68,688.20
  6. Step 6: Final answer
    x = 43,869.90

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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.