Home / 48,768.30-73,152.45-45,487.80

Finding the Fourth Proportional to 48,768.30, 73,152.45 and 45,487.80

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Solution

The fourth proportional to 48,768.30, 73,152.45 and 45,487.80 is: 68,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,768.30 : 73,152.45 = 45,487.80 : x
  2. Step 2: Convert to fraction form
    48,768.30/73,152.45 = 45,487.80/x
  3. Step 3: Cross multiply
    48,768.30x = 73,152.45 × 45,487.80
  4. Step 4: Simplify right side
    48,768.30x = 3,327,544,015.11
  5. Step 5: Solve for x
    x = 3,327,544,015.11/48,768.30
  6. Step 6: Final answer
    x = 68,231.70

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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.