Home / 55,745.79-76,934.66-31,875.99

Finding the Fourth Proportional to 55,745.79, 76,934.66 and 31,875.99

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Solution

The fourth proportional to 55,745.79, 76,934.66 and 31,875.99 is: 43,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745.79 : 76,934.66 = 31,875.99 : x
  2. Step 2: Convert to fraction form
    55,745.79/76,934.66 = 31,875.99/x
  3. Step 3: Cross multiply
    55,745.79x = 76,934.66 × 31,875.99
  4. Step 4: Simplify right side
    55,745.79x = 2,452,368,293.43
  5. Step 5: Solve for x
    x = 2,452,368,293.43/55,745.79
  6. Step 6: Final answer
    x = 43,991.99

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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.