Home / 113,901.20-170,851.80-60,757.10

Finding the Fourth Proportional to 113,901.20, 170,851.80 and 60,757.10

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Solution

The fourth proportional to 113,901.20, 170,851.80 and 60,757.10 is: 91,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,901.20 : 170,851.80 = 60,757.10 : x
  2. Step 2: Convert to fraction form
    113,901.20/170,851.80 = 60,757.10/x
  3. Step 3: Cross multiply
    113,901.20x = 170,851.80 × 60,757.10
  4. Step 4: Simplify right side
    113,901.20x = 10,380,459,897.78
  5. Step 5: Solve for x
    x = 10,380,459,897.78/113,901.20
  6. Step 6: Final answer
    x = 91,135.65

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1.5x scale

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.