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Finding the Fourth Proportional to 60,677.60, 90,905.44 and 43,996.32

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Solution

The fourth proportional to 60,677.60, 90,905.44 and 43,996.32 is: 65,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,677.60 : 90,905.44 = 43,996.32 : x
  2. Step 2: Convert to fraction form
    60,677.60/90,905.44 = 43,996.32/x
  3. Step 3: Cross multiply
    60,677.60x = 90,905.44 × 43,996.32
  4. Step 4: Simplify right side
    60,677.60x = 3,999,504,827.98
  5. Step 5: Solve for x
    x = 3,999,504,827.98/60,677.60
  6. Step 6: Final answer
    x = 65,914.02

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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.