Home / 80,039.12-110,454.34-43,741.30

Finding the Fourth Proportional to 80,039.12, 110,454.34 and 43,741.30

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Solution

The fourth proportional to 80,039.12, 110,454.34 and 43,741.30 is: 60,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,039.12 : 110,454.34 = 43,741.30 : x
  2. Step 2: Convert to fraction form
    80,039.12/110,454.34 = 43,741.30/x
  3. Step 3: Cross multiply
    80,039.12x = 110,454.34 × 43,741.30
  4. Step 4: Simplify right side
    80,039.12x = 4,831,416,422.24
  5. Step 5: Solve for x
    x = 4,831,416,422.24/80,039.12
  6. Step 6: Final answer
    x = 60,363.19

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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.