Home / 54,688.68-82,067.58-31,360.68

Finding the Fourth Proportional to 54,688.68, 82,067.58 and 31,360.68

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Solution

The fourth proportional to 54,688.68, 82,067.58 and 31,360.68 is: 47,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.68 : 82,067.58 = 31,360.68 : x
  2. Step 2: Convert to fraction form
    54,688.68/82,067.58 = 31,360.68/x
  3. Step 3: Cross multiply
    54,688.68x = 82,067.58 × 31,360.68
  4. Step 4: Simplify right side
    54,688.68x = 2,573,695,114.75
  5. Step 5: Solve for x
    x = 2,573,695,114.75/54,688.68
  6. Step 6: Final answer
    x = 47,060.84

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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.