Home / 60,745.21-91,069.52-39,815.62

Finding the Fourth Proportional to 60,745.21, 91,069.52 and 39,815.62

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Solution

The fourth proportional to 60,745.21, 91,069.52 and 39,815.62 is: 59,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,745.21 : 91,069.52 = 39,815.62 : x
  2. Step 2: Convert to fraction form
    60,745.21/91,069.52 = 39,815.62/x
  3. Step 3: Cross multiply
    60,745.21x = 91,069.52 × 39,815.62
  4. Step 4: Simplify right side
    60,745.21x = 3,625,988,975.15
  5. Step 5: Solve for x
    x = 3,625,988,975.15/60,745.21
  6. Step 6: Final answer
    x = 59,691.77

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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.