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Finding the Fourth Proportional to 64,894.20, 97,187.70 and 44,004.60

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Solution

The fourth proportional to 64,894.20, 97,187.70 and 44,004.60 is: 65,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,894.20 : 97,187.70 = 44,004.60 : x
  2. Step 2: Convert to fraction form
    64,894.20/97,187.70 = 44,004.60/x
  3. Step 3: Cross multiply
    64,894.20x = 97,187.70 × 44,004.60
  4. Step 4: Simplify right side
    64,894.20x = 4,276,705,863.42
  5. Step 5: Solve for x
    x = 4,276,705,863.42/64,894.20
  6. Step 6: Final answer
    x = 65,902.74

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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.