Home / 68,308.02-102,474.36-30,885.70

Finding the Fourth Proportional to 68,308.02, 102,474.36 and 30,885.70

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Solution

The fourth proportional to 68,308.02, 102,474.36 and 30,885.70 is: 46,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,308.02 : 102,474.36 = 30,885.70 : x
  2. Step 2: Convert to fraction form
    68,308.02/102,474.36 = 30,885.70/x
  3. Step 3: Cross multiply
    68,308.02x = 102,474.36 × 30,885.70
  4. Step 4: Simplify right side
    68,308.02x = 3,164,992,340.65
  5. Step 5: Solve for x
    x = 3,164,992,340.65/68,308.02
  6. Step 6: Final answer
    x = 46,334.13

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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.