Home / 80,435.88-111,007.44-44,625.60

Finding the Fourth Proportional to 80,435.88, 111,007.44 and 44,625.60

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Solution

The fourth proportional to 80,435.88, 111,007.44 and 44,625.60 is: 61,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,435.88 : 111,007.44 = 44,625.60 : x
  2. Step 2: Convert to fraction form
    80,435.88/111,007.44 = 44,625.60/x
  3. Step 3: Cross multiply
    80,435.88x = 111,007.44 × 44,625.60
  4. Step 4: Simplify right side
    80,435.88x = 4,953,773,614.46
  5. Step 5: Solve for x
    x = 4,953,773,614.46/80,435.88
  6. Step 6: Final answer
    x = 61,586.62

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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.