Home / 60,905.08-91,290.54-39,836.44

Finding the Fourth Proportional to 60,905.08, 91,290.54 and 39,836.44

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Solution

The fourth proportional to 60,905.08, 91,290.54 and 39,836.44 is: 59,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,905.08 : 91,290.54 = 39,836.44 : x
  2. Step 2: Convert to fraction form
    60,905.08/91,290.54 = 39,836.44/x
  3. Step 3: Cross multiply
    60,905.08x = 91,290.54 × 39,836.44
  4. Step 4: Simplify right side
    60,905.08x = 3,636,690,119.28
  5. Step 5: Solve for x
    x = 3,636,690,119.28/60,905.08
  6. Step 6: Final answer
    x = 59,710.78

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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.