Home / 88,314.70-121,871.64-50,077.75

Finding the Fourth Proportional to 88,314.70, 121,871.64 and 50,077.75

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Solution

The fourth proportional to 88,314.70, 121,871.64 and 50,077.75 is: 69,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,314.70 : 121,871.64 = 50,077.75 : x
  2. Step 2: Convert to fraction form
    88,314.70/121,871.64 = 50,077.75/x
  3. Step 3: Cross multiply
    88,314.70x = 121,871.64 × 50,077.75
  4. Step 4: Simplify right side
    88,314.70x = 6,103,057,520.01
  5. Step 5: Solve for x
    x = 6,103,057,520.01/88,314.70
  6. Step 6: Final answer
    x = 69,105.79

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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.