Home / 47,639.76-65,784.69-29,765.28

Finding the Fourth Proportional to 47,639.76, 65,784.69 and 29,765.28

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Solution

The fourth proportional to 47,639.76, 65,784.69 and 29,765.28 is: 41,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.76 : 65,784.69 = 29,765.28 : x
  2. Step 2: Convert to fraction form
    47,639.76/65,784.69 = 29,765.28/x
  3. Step 3: Cross multiply
    47,639.76x = 65,784.69 × 29,765.28
  4. Step 4: Simplify right side
    47,639.76x = 1,958,099,964.26
  5. Step 5: Solve for x
    x = 1,958,099,964.26/47,639.76
  6. Step 6: Final answer
    x = 41,102.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.