Home / 77,680.37-116,545.04-27,759.35

Finding the Fourth Proportional to 77,680.37, 116,545.04 and 27,759.35

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Solution

The fourth proportional to 77,680.37, 116,545.04 and 27,759.35 is: 41,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,680.37 : 116,545.04 = 27,759.35 : x
  2. Step 2: Convert to fraction form
    77,680.37/116,545.04 = 27,759.35/x
  3. Step 3: Cross multiply
    77,680.37x = 116,545.04 × 27,759.35
  4. Step 4: Simplify right side
    77,680.37x = 3,235,213,834.60
  5. Step 5: Solve for x
    x = 3,235,213,834.60/77,680.37
  6. Step 6: Final answer
    x = 41,647.77

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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.