Home / 70,112.21-96,757.13-38,283.53

Finding the Fourth Proportional to 70,112.21, 96,757.13 and 38,283.53

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Solution

The fourth proportional to 70,112.21, 96,757.13 and 38,283.53 is: 52,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,112.21 : 96,757.13 = 38,283.53 : x
  2. Step 2: Convert to fraction form
    70,112.21/96,757.13 = 38,283.53/x
  3. Step 3: Cross multiply
    70,112.21x = 96,757.13 × 38,283.53
  4. Step 4: Simplify right side
    70,112.21x = 3,704,204,100.99
  5. Step 5: Solve for x
    x = 3,704,204,100.99/70,112.21
  6. Step 6: Final answer
    x = 52,832.51

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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.