Home / 80,438.24-110,999.76-48,588.32

Finding the Fourth Proportional to 80,438.24, 110,999.76 and 48,588.32

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Solution

The fourth proportional to 80,438.24, 110,999.76 and 48,588.32 is: 67,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,438.24 : 110,999.76 = 48,588.32 : x
  2. Step 2: Convert to fraction form
    80,438.24/110,999.76 = 48,588.32/x
  3. Step 3: Cross multiply
    80,438.24x = 110,999.76 × 48,588.32
  4. Step 4: Simplify right side
    80,438.24x = 5,393,291,858.80
  5. Step 5: Solve for x
    x = 5,393,291,858.80/80,438.24
  6. Step 6: Final answer
    x = 67,048.85

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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.