Home / 125,679.36-173,433.11-69,090.33

Finding the Fourth Proportional to 125,679.36, 173,433.11 and 69,090.33

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Solution

The fourth proportional to 125,679.36, 173,433.11 and 69,090.33 is: 95,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,679.36 : 173,433.11 = 69,090.33 : x
  2. Step 2: Convert to fraction form
    125,679.36/173,433.11 = 69,090.33/x
  3. Step 3: Cross multiply
    125,679.36x = 173,433.11 × 69,090.33
  4. Step 4: Simplify right side
    125,679.36x = 11,982,550,457.37
  5. Step 5: Solve for x
    x = 11,982,550,457.37/125,679.36
  6. Step 6: Final answer
    x = 95,342.23

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1.5x scale

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.