Home / 113,578.10-170,446.20-47,018.58

Finding the Fourth Proportional to 113,578.10, 170,446.20 and 47,018.58

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Solution

The fourth proportional to 113,578.10, 170,446.20 and 47,018.58 is: 70,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,578.10 : 170,446.20 = 47,018.58 : x
  2. Step 2: Convert to fraction form
    113,578.10/170,446.20 = 47,018.58/x
  3. Step 3: Cross multiply
    113,578.10x = 170,446.20 × 47,018.58
  4. Step 4: Simplify right side
    113,578.10x = 8,014,137,607.14
  5. Step 5: Solve for x
    x = 8,014,137,607.14/113,578.10
  6. Step 6: Final answer
    x = 70,560.59

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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.