Home / 56,888.73-85,346.78-21,828.39

Finding the Fourth Proportional to 56,888.73, 85,346.78 and 21,828.39

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Solution

The fourth proportional to 56,888.73, 85,346.78 and 21,828.39 is: 32,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.73 : 85,346.78 = 21,828.39 : x
  2. Step 2: Convert to fraction form
    56,888.73/85,346.78 = 21,828.39/x
  3. Step 3: Cross multiply
    56,888.73x = 85,346.78 × 21,828.39
  4. Step 4: Simplify right side
    56,888.73x = 1,862,982,799.08
  5. Step 5: Solve for x
    x = 1,862,982,799.08/56,888.73
  6. Step 6: Final answer
    x = 32,747.84

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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.