Home / 52,228.98-78,170.22-47,559.78

Finding the Fourth Proportional to 52,228.98, 78,170.22 and 47,559.78

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Solution

The fourth proportional to 52,228.98, 78,170.22 and 47,559.78 is: 71,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.98 : 78,170.22 = 47,559.78 : x
  2. Step 2: Convert to fraction form
    52,228.98/78,170.22 = 47,559.78/x
  3. Step 3: Cross multiply
    52,228.98x = 78,170.22 × 47,559.78
  4. Step 4: Simplify right side
    52,228.98x = 3,717,758,465.75
  5. Step 5: Solve for x
    x = 3,717,758,465.75/52,228.98
  6. Step 6: Final answer
    x = 71,181.91

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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.