Home / 68,569.37-102,817.07-31,109.00

Finding the Fourth Proportional to 68,569.37, 102,817.07 and 31,109.00

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Solution

The fourth proportional to 68,569.37, 102,817.07 and 31,109.00 is: 46,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,569.37 : 102,817.07 = 31,109.00 : x
  2. Step 2: Convert to fraction form
    68,569.37/102,817.07 = 31,109.00/x
  3. Step 3: Cross multiply
    68,569.37x = 102,817.07 × 31,109.00
  4. Step 4: Simplify right side
    68,569.37x = 3,198,535,753.78
  5. Step 5: Solve for x
    x = 3,198,535,753.78/68,569.37
  6. Step 6: Final answer
    x = 46,646.72

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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.