Home / 47,535.92-71,308.32-12,475.76

Finding the Fourth Proportional to 47,535.92, 71,308.32 and 12,475.76

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Solution

The fourth proportional to 47,535.92, 71,308.32 and 12,475.76 is: 18,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,535.92 : 71,308.32 = 12,475.76 : x
  2. Step 2: Convert to fraction form
    47,535.92/71,308.32 = 12,475.76/x
  3. Step 3: Cross multiply
    47,535.92x = 71,308.32 × 12,475.76
  4. Step 4: Simplify right side
    47,535.92x = 889,625,486.32
  5. Step 5: Solve for x
    x = 889,625,486.32/47,535.92
  6. Step 6: Final answer
    x = 18,714.81

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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.