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Finding the Fourth Proportional to 68,108.64, 102,209.40 and 23,735.40

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Solution

The fourth proportional to 68,108.64, 102,209.40 and 23,735.40 is: 35,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,108.64 : 102,209.40 = 23,735.40 : x
  2. Step 2: Convert to fraction form
    68,108.64/102,209.40 = 23,735.40/x
  3. Step 3: Cross multiply
    68,108.64x = 102,209.40 × 23,735.40
  4. Step 4: Simplify right side
    68,108.64x = 2,425,980,992.76
  5. Step 5: Solve for x
    x = 2,425,980,992.76/68,108.64
  6. Step 6: Final answer
    x = 35,619.28

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1.5x scale

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.