Home / 113,540.86-170,346.99-47,012.38

Finding the Fourth Proportional to 113,540.86, 170,346.99 and 47,012.38

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Solution

The fourth proportional to 113,540.86, 170,346.99 and 47,012.38 is: 70,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,540.86 : 170,346.99 = 47,012.38 : x
  2. Step 2: Convert to fraction form
    113,540.86/170,346.99 = 47,012.38/x
  3. Step 3: Cross multiply
    113,540.86x = 170,346.99 × 47,012.38
  4. Step 4: Simplify right side
    113,540.86x = 8,008,417,425.74
  5. Step 5: Solve for x
    x = 8,008,417,425.74/113,540.86
  6. Step 6: Final answer
    x = 70,533.35

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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.