Home / 73,381.40-109,999.20-35,910.80

Finding the Fourth Proportional to 73,381.40, 109,999.20 and 35,910.80

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Solution

The fourth proportional to 73,381.40, 109,999.20 and 35,910.80 is: 53,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,381.40 : 109,999.20 = 35,910.80 : x
  2. Step 2: Convert to fraction form
    73,381.40/109,999.20 = 35,910.80/x
  3. Step 3: Cross multiply
    73,381.40x = 109,999.20 × 35,910.80
  4. Step 4: Simplify right side
    73,381.40x = 3,950,159,271.36
  5. Step 5: Solve for x
    x = 3,950,159,271.36/73,381.40
  6. Step 6: Final answer
    x = 53,830.52

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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.