Home / 77,463.45-106,882.97-50,645.34

Finding the Fourth Proportional to 77,463.45, 106,882.97 and 50,645.34

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Solution

The fourth proportional to 77,463.45, 106,882.97 and 50,645.34 is: 69,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,463.45 : 106,882.97 = 50,645.34 : x
  2. Step 2: Convert to fraction form
    77,463.45/106,882.97 = 50,645.34/x
  3. Step 3: Cross multiply
    77,463.45x = 106,882.97 × 50,645.34
  4. Step 4: Simplify right side
    77,463.45x = 5,413,124,102.63
  5. Step 5: Solve for x
    x = 5,413,124,102.63/77,463.45
  6. Step 6: Final answer
    x = 69,879.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.