Home / 70,961.79-106,322.23-42,822.73

Finding the Fourth Proportional to 70,961.79, 106,322.23 and 42,822.73

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Solution

The fourth proportional to 70,961.79, 106,322.23 and 42,822.73 is: 64,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,961.79 : 106,322.23 = 42,822.73 : x
  2. Step 2: Convert to fraction form
    70,961.79/106,322.23 = 42,822.73/x
  3. Step 3: Cross multiply
    70,961.79x = 106,322.23 × 42,822.73
  4. Step 4: Simplify right side
    70,961.79x = 4,553,007,402.56
  5. Step 5: Solve for x
    x = 4,553,007,402.56/70,961.79
  6. Step 6: Final answer
    x = 64,161.39

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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.