Home / 88,435.72-122,040.90-50,195.64

Finding the Fourth Proportional to 88,435.72, 122,040.90 and 50,195.64

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Solution

The fourth proportional to 88,435.72, 122,040.90 and 50,195.64 is: 69,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,435.72 : 122,040.90 = 50,195.64 : x
  2. Step 2: Convert to fraction form
    88,435.72/122,040.90 = 50,195.64/x
  3. Step 3: Cross multiply
    88,435.72x = 122,040.90 × 50,195.64
  4. Step 4: Simplify right side
    88,435.72x = 6,125,921,081.68
  5. Step 5: Solve for x
    x = 6,125,921,081.68/88,435.72
  6. Step 6: Final answer
    x = 69,269.76

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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.