Home / 56,833.84-85,191.30-19,380.79

Finding the Fourth Proportional to 56,833.84, 85,191.30 and 19,380.79

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Solution

The fourth proportional to 56,833.84, 85,191.30 and 19,380.79 is: 29,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,833.84 : 85,191.30 = 19,380.79 : x
  2. Step 2: Convert to fraction form
    56,833.84/85,191.30 = 19,380.79/x
  3. Step 3: Cross multiply
    56,833.84x = 85,191.30 × 19,380.79
  4. Step 4: Simplify right side
    56,833.84x = 1,651,074,695.13
  5. Step 5: Solve for x
    x = 1,651,074,695.13/56,833.84
  6. Step 6: Final answer
    x = 29,050.91

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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.