Home / 113,836.60-170,774.70-47,240.20

Finding the Fourth Proportional to 113,836.60, 170,774.70 and 47,240.20

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Solution

The fourth proportional to 113,836.60, 170,774.70 and 47,240.20 is: 70,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,836.60 : 170,774.70 = 47,240.20 : x
  2. Step 2: Convert to fraction form
    113,836.60/170,774.70 = 47,240.20/x
  3. Step 3: Cross multiply
    113,836.60x = 170,774.70 × 47,240.20
  4. Step 4: Simplify right side
    113,836.60x = 8,067,430,982.94
  5. Step 5: Solve for x
    x = 8,067,430,982.94/113,836.60
  6. Step 6: Final answer
    x = 70,868.52

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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.