Home / 77,521.52-116,079.27-50,783.39

Finding the Fourth Proportional to 77,521.52, 116,079.27 and 50,783.39

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Solution

The fourth proportional to 77,521.52, 116,079.27 and 50,783.39 is: 76,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,521.52 : 116,079.27 = 50,783.39 : x
  2. Step 2: Convert to fraction form
    77,521.52/116,079.27 = 50,783.39/x
  3. Step 3: Cross multiply
    77,521.52x = 116,079.27 × 50,783.39
  4. Step 4: Simplify right side
    77,521.52x = 5,894,898,839.33
  5. Step 5: Solve for x
    x = 5,894,898,839.33/77,521.52
  6. Step 6: Final answer
    x = 76,042.10

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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.