Home / 56,618.70-84,940.14-19,177.48

Finding the Fourth Proportional to 56,618.70, 84,940.14 and 19,177.48

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Solution

The fourth proportional to 56,618.70, 84,940.14 and 19,177.48 is: 28,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,618.70 : 84,940.14 = 19,177.48 : x
  2. Step 2: Convert to fraction form
    56,618.70/84,940.14 = 19,177.48/x
  3. Step 3: Cross multiply
    56,618.70x = 84,940.14 × 19,177.48
  4. Step 4: Simplify right side
    56,618.70x = 1,628,937,836.05
  5. Step 5: Solve for x
    x = 1,628,937,836.05/56,618.70
  6. Step 6: Final answer
    x = 28,770.32

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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.