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Finding the Fourth Proportional to 63,363.82, 87,407 and 40,706.14

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Solution

The fourth proportional to 63,363.82, 87,407 and 40,706.14 is: 56,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,363.82 : 87,407 = 40,706.14 : x
  2. Step 2: Convert to fraction form
    63,363.82/87,407 = 40,706.14/x
  3. Step 3: Cross multiply
    63,363.82x = 87,407 × 40,706.14
  4. Step 4: Simplify right side
    63,363.82x = 3,558,001,578.98
  5. Step 5: Solve for x
    x = 3,558,001,578.98/63,363.82
  6. Step 6: Final answer
    x = 56,151.94

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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.