Home / 59,973.78-89,961.09-20,531.22

Finding the Fourth Proportional to 59,973.78, 89,961.09 and 20,531.22

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Solution

The fourth proportional to 59,973.78, 89,961.09 and 20,531.22 is: 30,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,973.78 : 89,961.09 = 20,531.22 : x
  2. Step 2: Convert to fraction form
    59,973.78/89,961.09 = 20,531.22/x
  3. Step 3: Cross multiply
    59,973.78x = 89,961.09 × 20,531.22
  4. Step 4: Simplify right side
    59,973.78x = 1,847,010,930.23
  5. Step 5: Solve for x
    x = 1,847,010,930.23/59,973.78
  6. Step 6: Final answer
    x = 30,796.97

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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.