Home / 47,138.48-70,707.72-33,161.05

Finding the Fourth Proportional to 47,138.48, 70,707.72 and 33,161.05

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Solution

The fourth proportional to 47,138.48, 70,707.72 and 33,161.05 is: 49,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.48 : 70,707.72 = 33,161.05 : x
  2. Step 2: Convert to fraction form
    47,138.48/70,707.72 = 33,161.05/x
  3. Step 3: Cross multiply
    47,138.48x = 70,707.72 × 33,161.05
  4. Step 4: Simplify right side
    47,138.48x = 2,344,742,128.95
  5. Step 5: Solve for x
    x = 2,344,742,128.95/47,138.48
  6. Step 6: Final answer
    x = 49,741.57

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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.