Home / 45,748.80-68,623.20-43,999.20

Finding the Fourth Proportional to 45,748.80, 68,623.20 and 43,999.20

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Solution

The fourth proportional to 45,748.80, 68,623.20 and 43,999.20 is: 65,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,748.80 : 68,623.20 = 43,999.20 : x
  2. Step 2: Convert to fraction form
    45,748.80/68,623.20 = 43,999.20/x
  3. Step 3: Cross multiply
    45,748.80x = 68,623.20 × 43,999.20
  4. Step 4: Simplify right side
    45,748.80x = 3,019,365,901.44
  5. Step 5: Solve for x
    x = 3,019,365,901.44/45,748.80
  6. Step 6: Final answer
    x = 65,998.80

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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.