Home / 80,157.45-110,620.32-43,861.35

Finding the Fourth Proportional to 80,157.45, 110,620.32 and 43,861.35

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Solution

The fourth proportional to 80,157.45, 110,620.32 and 43,861.35 is: 60,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,157.45 : 110,620.32 = 43,861.35 : x
  2. Step 2: Convert to fraction form
    80,157.45/110,620.32 = 43,861.35/x
  3. Step 3: Cross multiply
    80,157.45x = 110,620.32 × 43,861.35
  4. Step 4: Simplify right side
    80,157.45x = 4,851,956,572.63
  5. Step 5: Solve for x
    x = 4,851,956,572.63/80,157.45
  6. Step 6: Final answer
    x = 60,530.33

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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.