Home / 47,714.21-65,863.31-40,972.76

Finding the Fourth Proportional to 47,714.21, 65,863.31 and 40,972.76

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Solution

The fourth proportional to 47,714.21, 65,863.31 and 40,972.76 is: 56,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,714.21 : 65,863.31 = 40,972.76 : x
  2. Step 2: Convert to fraction form
    47,714.21/65,863.31 = 40,972.76/x
  3. Step 3: Cross multiply
    47,714.21x = 65,863.31 × 40,972.76
  4. Step 4: Simplify right side
    47,714.21x = 2,698,601,059.26
  5. Step 5: Solve for x
    x = 2,698,601,059.26/47,714.21
  6. Step 6: Final answer
    x = 56,557.60

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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.