Home / 43,209.76-64,702.32-37,009.60

Finding the Fourth Proportional to 43,209.76, 64,702.32 and 37,009.60

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Solution

The fourth proportional to 43,209.76, 64,702.32 and 37,009.60 is: 55,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,209.76 : 64,702.32 = 37,009.60 : x
  2. Step 2: Convert to fraction form
    43,209.76/64,702.32 = 37,009.60/x
  3. Step 3: Cross multiply
    43,209.76x = 64,702.32 × 37,009.60
  4. Step 4: Simplify right side
    43,209.76x = 2,394,606,982.27
  5. Step 5: Solve for x
    x = 2,394,606,982.27/43,209.76
  6. Step 6: Final answer
    x = 55,418.20

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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.