Home / 110,403.90-165,630.29-40,283.01

Finding the Fourth Proportional to 110,403.90, 165,630.29 and 40,283.01

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Solution

The fourth proportional to 110,403.90, 165,630.29 and 40,283.01 is: 60,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,403.90 : 165,630.29 = 40,283.01 : x
  2. Step 2: Convert to fraction form
    110,403.90/165,630.29 = 40,283.01/x
  3. Step 3: Cross multiply
    110,403.90x = 165,630.29 × 40,283.01
  4. Step 4: Simplify right side
    110,403.90x = 6,672,086,426.96
  5. Step 5: Solve for x
    x = 6,672,086,426.96/110,403.90
  6. Step 6: Final answer
    x = 60,433.43

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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.