Home / 75,185.17-112,742.43-43,604.20

Finding the Fourth Proportional to 75,185.17, 112,742.43 and 43,604.20

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Solution

The fourth proportional to 75,185.17, 112,742.43 and 43,604.20 is: 65,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,185.17 : 112,742.43 = 43,604.20 : x
  2. Step 2: Convert to fraction form
    75,185.17/112,742.43 = 43,604.20/x
  3. Step 3: Cross multiply
    75,185.17x = 112,742.43 × 43,604.20
  4. Step 4: Simplify right side
    75,185.17x = 4,916,043,466.21
  5. Step 5: Solve for x
    x = 4,916,043,466.21/75,185.17
  6. Step 6: Final answer
    x = 65,385.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.