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Finding the Fourth Proportional to 68,416.60, 102,600.60 and 47,356.60

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Solution

The fourth proportional to 68,416.60, 102,600.60 and 47,356.60 is: 71,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,416.60 : 102,600.60 = 47,356.60 : x
  2. Step 2: Convert to fraction form
    68,416.60/102,600.60 = 47,356.60/x
  3. Step 3: Cross multiply
    68,416.60x = 102,600.60 × 47,356.60
  4. Step 4: Simplify right side
    68,416.60x = 4,858,815,573.96
  5. Step 5: Solve for x
    x = 4,858,815,573.96/68,416.60
  6. Step 6: Final answer
    x = 71,018.08

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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.