Home / 79,202.11-109,297.98-42,902.87

Finding the Fourth Proportional to 79,202.11, 109,297.98 and 42,902.87

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Solution

The fourth proportional to 79,202.11, 109,297.98 and 42,902.87 is: 59,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,202.11 : 109,297.98 = 42,902.87 : x
  2. Step 2: Convert to fraction form
    79,202.11/109,297.98 = 42,902.87/x
  3. Step 3: Cross multiply
    79,202.11x = 109,297.98 × 42,902.87
  4. Step 4: Simplify right side
    79,202.11x = 4,689,196,266.20
  5. Step 5: Solve for x
    x = 4,689,196,266.20/79,202.11
  6. Step 6: Final answer
    x = 59,205.45

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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.