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Finding the Fourth Proportional to 97,449.48, 134,481.60 and 52,737.48

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Solution

The fourth proportional to 97,449.48, 134,481.60 and 52,737.48 is: 72,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,449.48 : 134,481.60 = 52,737.48 : x
  2. Step 2: Convert to fraction form
    97,449.48/134,481.60 = 52,737.48/x
  3. Step 3: Cross multiply
    97,449.48x = 134,481.60 × 52,737.48
  4. Step 4: Simplify right side
    97,449.48x = 7,092,220,690.37
  5. Step 5: Solve for x
    x = 7,092,220,690.37/97,449.48
  6. Step 6: Final answer
    x = 72,778.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.