Home / 47,161.90-70,624.54-28,174.82

Finding the Fourth Proportional to 47,161.90, 70,624.54 and 28,174.82

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Solution

The fourth proportional to 47,161.90, 70,624.54 and 28,174.82 is: 42,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.90 : 70,624.54 = 28,174.82 : x
  2. Step 2: Convert to fraction form
    47,161.90/70,624.54 = 28,174.82/x
  3. Step 3: Cross multiply
    47,161.90x = 70,624.54 × 28,174.82
  4. Step 4: Simplify right side
    47,161.90x = 1,989,833,702.08
  5. Step 5: Solve for x
    x = 1,989,833,702.08/47,161.90
  6. Step 6: Final answer
    x = 42,191.56

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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.