Home / 77,939.80-116,940.57-40,523.47

Finding the Fourth Proportional to 77,939.80, 116,940.57 and 40,523.47

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Solution

The fourth proportional to 77,939.80, 116,940.57 and 40,523.47 is: 60,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,939.80 : 116,940.57 = 40,523.47 : x
  2. Step 2: Convert to fraction form
    77,939.80/116,940.57 = 40,523.47/x
  3. Step 3: Cross multiply
    77,939.80x = 116,940.57 × 40,523.47
  4. Step 4: Simplify right side
    77,939.80x = 4,738,837,095.48
  5. Step 5: Solve for x
    x = 4,738,837,095.48/77,939.80
  6. Step 6: Final answer
    x = 60,801.25

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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.