Home / 123,041.08-169,794.66-69,331.60

Finding the Fourth Proportional to 123,041.08, 169,794.66 and 69,331.60

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Solution

The fourth proportional to 123,041.08, 169,794.66 and 69,331.60 is: 95,676.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,041.08 : 169,794.66 = 69,331.60 : x
  2. Step 2: Convert to fraction form
    123,041.08/169,794.66 = 69,331.60/x
  3. Step 3: Cross multiply
    123,041.08x = 169,794.66 × 69,331.60
  4. Step 4: Simplify right side
    123,041.08x = 11,772,135,449.26
  5. Step 5: Solve for x
    x = 11,772,135,449.26/123,041.08
  6. Step 6: Final answer
    x = 95,676.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.