Home / 56,772.14-85,105.26-19,306.61

Finding the Fourth Proportional to 56,772.14, 85,105.26 and 19,306.61

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Solution

The fourth proportional to 56,772.14, 85,105.26 and 19,306.61 is: 28,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,772.14 : 85,105.26 = 19,306.61 : x
  2. Step 2: Convert to fraction form
    56,772.14/85,105.26 = 19,306.61/x
  3. Step 3: Cross multiply
    56,772.14x = 85,105.26 × 19,306.61
  4. Step 4: Simplify right side
    56,772.14x = 1,643,094,063.77
  5. Step 5: Solve for x
    x = 1,643,094,063.77/56,772.14
  6. Step 6: Final answer
    x = 28,941.91

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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.