Home / 84,443.36-126,450.77-50,688.38

Finding the Fourth Proportional to 84,443.36, 126,450.77 and 50,688.38

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Solution

The fourth proportional to 84,443.36, 126,450.77 and 50,688.38 is: 75,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,443.36 : 126,450.77 = 50,688.38 : x
  2. Step 2: Convert to fraction form
    84,443.36/126,450.77 = 50,688.38/x
  3. Step 3: Cross multiply
    84,443.36x = 126,450.77 × 50,688.38
  4. Step 4: Simplify right side
    84,443.36x = 6,409,585,028.86
  5. Step 5: Solve for x
    x = 6,409,585,028.86/84,443.36
  6. Step 6: Final answer
    x = 75,903.95

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1.5x scale

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.