Home / 125,643.35-173,383.06-71,933.36

Finding the Fourth Proportional to 125,643.35, 173,383.06 and 71,933.36

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Solution

The fourth proportional to 125,643.35, 173,383.06 and 71,933.36 is: 99,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,643.35 : 173,383.06 = 71,933.36 : x
  2. Step 2: Convert to fraction form
    125,643.35/173,383.06 = 71,933.36/x
  3. Step 3: Cross multiply
    125,643.35x = 173,383.06 × 71,933.36
  4. Step 4: Simplify right side
    125,643.35x = 12,472,025,713.21
  5. Step 5: Solve for x
    x = 12,472,025,713.21/125,643.35
  6. Step 6: Final answer
    x = 99,265.31

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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.