Home / 77,410.29-106,848.88-50,556.97

Finding the Fourth Proportional to 77,410.29, 106,848.88 and 50,556.97

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Solution

The fourth proportional to 77,410.29, 106,848.88 and 50,556.97 is: 69,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,410.29 : 106,848.88 = 50,556.97 : x
  2. Step 2: Convert to fraction form
    77,410.29/106,848.88 = 50,556.97/x
  3. Step 3: Cross multiply
    77,410.29x = 106,848.88 × 50,556.97
  4. Step 4: Simplify right side
    77,410.29x = 5,401,955,620.69
  5. Step 5: Solve for x
    x = 5,401,955,620.69/77,410.29
  6. Step 6: Final answer
    x = 69,783.43

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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.