Home / 113,934.48-170,915.36-47,419.56

Finding the Fourth Proportional to 113,934.48, 170,915.36 and 47,419.56

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Solution

The fourth proportional to 113,934.48, 170,915.36 and 47,419.56 is: 71,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,934.48 : 170,915.36 = 47,419.56 : x
  2. Step 2: Convert to fraction form
    113,934.48/170,915.36 = 47,419.56/x
  3. Step 3: Cross multiply
    113,934.48x = 170,915.36 × 47,419.56
  4. Step 4: Simplify right side
    113,934.48x = 8,104,731,168.44
  5. Step 5: Solve for x
    x = 8,104,731,168.44/113,934.48
  6. Step 6: Final answer
    x = 71,135.02

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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.