Home / 80,041.30-110,459.07-43,744.28

Finding the Fourth Proportional to 80,041.30, 110,459.07 and 43,744.28

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Solution

The fourth proportional to 80,041.30, 110,459.07 and 43,744.28 is: 60,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,041.30 : 110,459.07 = 43,744.28 : x
  2. Step 2: Convert to fraction form
    80,041.30/110,459.07 = 43,744.28/x
  3. Step 3: Cross multiply
    80,041.30x = 110,459.07 × 43,744.28
  4. Step 4: Simplify right side
    80,041.30x = 4,831,951,934.32
  5. Step 5: Solve for x
    x = 4,831,951,934.32/80,041.30
  6. Step 6: Final answer
    x = 60,368.24

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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.