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Finding the Fourth Proportional to 62,678.80, 93,929.80 and 34,611.49

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Solution

The fourth proportional to 62,678.80, 93,929.80 and 34,611.49 is: 51,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,678.80 : 93,929.80 = 34,611.49 : x
  2. Step 2: Convert to fraction form
    62,678.80/93,929.80 = 34,611.49/x
  3. Step 3: Cross multiply
    62,678.80x = 93,929.80 × 34,611.49
  4. Step 4: Simplify right side
    62,678.80x = 3,251,050,333.40
  5. Step 5: Solve for x
    x = 3,251,050,333.40/62,678.80
  6. Step 6: Final answer
    x = 51,868.42

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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.