Home / 52,176.80-78,089.52-47,860.64

Finding the Fourth Proportional to 52,176.80, 78,089.52 and 47,860.64

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Solution

The fourth proportional to 52,176.80, 78,089.52 and 47,860.64 is: 71,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176.80 : 78,089.52 = 47,860.64 : x
  2. Step 2: Convert to fraction form
    52,176.80/78,089.52 = 47,860.64/x
  3. Step 3: Cross multiply
    52,176.80x = 78,089.52 × 47,860.64
  4. Step 4: Simplify right side
    52,176.80x = 3,737,414,404.49
  5. Step 5: Solve for x
    x = 3,737,414,404.49/52,176.80
  6. Step 6: Final answer
    x = 71,629.81

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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.