Home / 68,348.08-102,487.01-30,887.86

Finding the Fourth Proportional to 68,348.08, 102,487.01 and 30,887.86

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Solution

The fourth proportional to 68,348.08, 102,487.01 and 30,887.86 is: 46,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,348.08 : 102,487.01 = 30,887.86 : x
  2. Step 2: Convert to fraction form
    68,348.08/102,487.01 = 30,887.86/x
  3. Step 3: Cross multiply
    68,348.08x = 102,487.01 × 30,887.86
  4. Step 4: Simplify right side
    68,348.08x = 3,165,604,416.70
  5. Step 5: Solve for x
    x = 3,165,604,416.70/68,348.08
  6. Step 6: Final answer
    x = 46,315.92

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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.