Home / 125,016.50-172,524.39-68,426.66

Finding the Fourth Proportional to 125,016.50, 172,524.39 and 68,426.66

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Solution

The fourth proportional to 125,016.50, 172,524.39 and 68,426.66 is: 94,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,016.50 : 172,524.39 = 68,426.66 : x
  2. Step 2: Convert to fraction form
    125,016.50/172,524.39 = 68,426.66/x
  3. Step 3: Cross multiply
    125,016.50x = 172,524.39 × 68,426.66
  4. Step 4: Simplify right side
    125,016.50x = 11,805,267,776.24
  5. Step 5: Solve for x
    x = 11,805,267,776.24/125,016.50
  6. Step 6: Final answer
    x = 94,429.68

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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.