Home / 55,701.68-76,867.25-31,502.21

Finding the Fourth Proportional to 55,701.68, 76,867.25 and 31,502.21

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Solution

The fourth proportional to 55,701.68, 76,867.25 and 31,502.21 is: 43,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.68 : 76,867.25 = 31,502.21 : x
  2. Step 2: Convert to fraction form
    55,701.68/76,867.25 = 31,502.21/x
  3. Step 3: Cross multiply
    55,701.68x = 76,867.25 × 31,502.21
  4. Step 4: Simplify right side
    55,701.68x = 2,421,487,709.78
  5. Step 5: Solve for x
    x = 2,421,487,709.78/55,701.68
  6. Step 6: Final answer
    x = 43,472.44

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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.