Home / 68,568.14-102,865.08-31,130.84

Finding the Fourth Proportional to 68,568.14, 102,865.08 and 31,130.84

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Solution

The fourth proportional to 68,568.14, 102,865.08 and 31,130.84 is: 46,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,568.14 : 102,865.08 = 31,130.84 : x
  2. Step 2: Convert to fraction form
    68,568.14/102,865.08 = 31,130.84/x
  3. Step 3: Cross multiply
    68,568.14x = 102,865.08 × 31,130.84
  4. Step 4: Simplify right side
    68,568.14x = 3,202,276,347.07
  5. Step 5: Solve for x
    x = 3,202,276,347.07/68,568.14
  6. Step 6: Final answer
    x = 46,702.10

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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.