Home / 68,948.68-103,327.34-31,417.03

Finding the Fourth Proportional to 68,948.68, 103,327.34 and 31,417.03

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Solution

The fourth proportional to 68,948.68, 103,327.34 and 31,417.03 is: 47,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,948.68 : 103,327.34 = 31,417.03 : x
  2. Step 2: Convert to fraction form
    68,948.68/103,327.34 = 31,417.03/x
  3. Step 3: Cross multiply
    68,948.68x = 103,327.34 × 31,417.03
  4. Step 4: Simplify right side
    68,948.68x = 3,246,238,140.60
  5. Step 5: Solve for x
    x = 3,246,238,140.60/68,948.68
  6. Step 6: Final answer
    x = 47,081.95

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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.