Home / 52,078.25-78,339.11-47,206.71

Finding the Fourth Proportional to 52,078.25, 78,339.11 and 47,206.71

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Solution

The fourth proportional to 52,078.25, 78,339.11 and 47,206.71 is: 71,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.25 : 78,339.11 = 47,206.71 : x
  2. Step 2: Convert to fraction form
    52,078.25/78,339.11 = 47,206.71/x
  3. Step 3: Cross multiply
    52,078.25x = 78,339.11 × 47,206.71
  4. Step 4: Simplify right side
    52,078.25x = 3,698,131,647.43
  5. Step 5: Solve for x
    x = 3,698,131,647.43/52,078.25
  6. Step 6: Final answer
    x = 71,011.06

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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.