Home / 64,420.38-96,629.67-22,331.10

Finding the Fourth Proportional to 64,420.38, 96,629.67 and 22,331.10

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Solution

The fourth proportional to 64,420.38, 96,629.67 and 22,331.10 is: 33,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,420.38 : 96,629.67 = 22,331.10 : x
  2. Step 2: Convert to fraction form
    64,420.38/96,629.67 = 22,331.10/x
  3. Step 3: Cross multiply
    64,420.38x = 96,629.67 × 22,331.10
  4. Step 4: Simplify right side
    64,420.38x = 2,157,846,823.74
  5. Step 5: Solve for x
    x = 2,157,846,823.74/64,420.38
  6. Step 6: Final answer
    x = 33,496.34

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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.