Home / 67,054.96-100,604.30-31,990.06

Finding the Fourth Proportional to 67,054.96, 100,604.30 and 31,990.06

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Solution

The fourth proportional to 67,054.96, 100,604.30 and 31,990.06 is: 47,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,054.96 : 100,604.30 = 31,990.06 : x
  2. Step 2: Convert to fraction form
    67,054.96/100,604.30 = 31,990.06/x
  3. Step 3: Cross multiply
    67,054.96x = 100,604.30 × 31,990.06
  4. Step 4: Simplify right side
    67,054.96x = 3,218,337,593.26
  5. Step 5: Solve for x
    x = 3,218,337,593.26/67,054.96
  6. Step 6: Final answer
    x = 47,995.52

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1.5x scale

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.