Home / 59,776.36-89,646.72-20,324.56

Finding the Fourth Proportional to 59,776.36, 89,646.72 and 20,324.56

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Solution

The fourth proportional to 59,776.36, 89,646.72 and 20,324.56 is: 30,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,776.36 : 89,646.72 = 20,324.56 : x
  2. Step 2: Convert to fraction form
    59,776.36/89,646.72 = 20,324.56/x
  3. Step 3: Cross multiply
    59,776.36x = 89,646.72 × 20,324.56
  4. Step 4: Simplify right side
    59,776.36x = 1,822,030,139.44
  5. Step 5: Solve for x
    x = 1,822,030,139.44/59,776.36
  6. Step 6: Final answer
    x = 30,480.78

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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.