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Finding the Fourth Proportional to 63,763.67, 87,994.54 and 35,083.71

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Solution

The fourth proportional to 63,763.67, 87,994.54 and 35,083.71 is: 48,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,763.67 : 87,994.54 = 35,083.71 : x
  2. Step 2: Convert to fraction form
    63,763.67/87,994.54 = 35,083.71/x
  3. Step 3: Cross multiply
    63,763.67x = 87,994.54 × 35,083.71
  4. Step 4: Simplify right side
    63,763.67x = 3,087,174,922.94
  5. Step 5: Solve for x
    x = 3,087,174,922.94/63,763.67
  6. Step 6: Final answer
    x = 48,415.89

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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.