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Finding the Fourth Proportional to 72,935.16, 100,600.56 and 44,654.84

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Solution

The fourth proportional to 72,935.16, 100,600.56 and 44,654.84 is: 61,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,935.16 : 100,600.56 = 44,654.84 : x
  2. Step 2: Convert to fraction form
    72,935.16/100,600.56 = 44,654.84/x
  3. Step 3: Cross multiply
    72,935.16x = 100,600.56 × 44,654.84
  4. Step 4: Simplify right side
    72,935.16x = 4,492,301,910.71
  5. Step 5: Solve for x
    x = 4,492,301,910.71/72,935.16
  6. Step 6: Final answer
    x = 61,593.09

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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.