Home / 56,922.06-85,387.19-21,861.71

Finding the Fourth Proportional to 56,922.06, 85,387.19 and 21,861.71

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Solution

The fourth proportional to 56,922.06, 85,387.19 and 21,861.71 is: 32,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,922.06 : 85,387.19 = 21,861.71 : x
  2. Step 2: Convert to fraction form
    56,922.06/85,387.19 = 21,861.71/x
  3. Step 3: Cross multiply
    56,922.06x = 85,387.19 × 21,861.71
  4. Step 4: Simplify right side
    56,922.06x = 1,866,709,876.19
  5. Step 5: Solve for x
    x = 1,866,709,876.19/56,922.06
  6. Step 6: Final answer
    x = 32,794.14

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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.