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Finding the Fourth Proportional to 52,562.60, 78,763.17 and 35,673.66

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Solution

The fourth proportional to 52,562.60, 78,763.17 and 35,673.66 is: 53,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,562.60 : 78,763.17 = 35,673.66 : x
  2. Step 2: Convert to fraction form
    52,562.60/78,763.17 = 35,673.66/x
  3. Step 3: Cross multiply
    52,562.60x = 78,763.17 × 35,673.66
  4. Step 4: Simplify right side
    52,562.60x = 2,809,770,654.83
  5. Step 5: Solve for x
    x = 2,809,770,654.83/52,562.60
  6. Step 6: Final answer
    x = 53,455.70

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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.