Home / 73,948.82-102,035.21-42,117.03

Finding the Fourth Proportional to 73,948.82, 102,035.21 and 42,117.03

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Solution

The fourth proportional to 73,948.82, 102,035.21 and 42,117.03 is: 58,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,948.82 : 102,035.21 = 42,117.03 : x
  2. Step 2: Convert to fraction form
    73,948.82/102,035.21 = 42,117.03/x
  3. Step 3: Cross multiply
    73,948.82x = 102,035.21 × 42,117.03
  4. Step 4: Simplify right side
    73,948.82x = 4,297,419,790.04
  5. Step 5: Solve for x
    x = 4,297,419,790.04/73,948.82
  6. Step 6: Final answer
    x = 58,113.44

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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.