Home / 75,112.46-103,660.20-43,283.42

Finding the Fourth Proportional to 75,112.46, 103,660.20 and 43,283.42

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Solution

The fourth proportional to 75,112.46, 103,660.20 and 43,283.42 is: 59,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,112.46 : 103,660.20 = 43,283.42 : x
  2. Step 2: Convert to fraction form
    75,112.46/103,660.20 = 43,283.42/x
  3. Step 3: Cross multiply
    75,112.46x = 103,660.20 × 43,283.42
  4. Step 4: Simplify right side
    75,112.46x = 4,486,767,973.88
  5. Step 5: Solve for x
    x = 4,486,767,973.88/75,112.46
  6. Step 6: Final answer
    x = 59,734.00

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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.