Home / 72,624.15-100,230.68-40,793.04

Finding the Fourth Proportional to 72,624.15, 100,230.68 and 40,793.04

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Solution

The fourth proportional to 72,624.15, 100,230.68 and 40,793.04 is: 56,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624.15 : 100,230.68 = 40,793.04 : x
  2. Step 2: Convert to fraction form
    72,624.15/100,230.68 = 40,793.04/x
  3. Step 3: Cross multiply
    72,624.15x = 100,230.68 × 40,793.04
  4. Step 4: Simplify right side
    72,624.15x = 4,088,714,240.45
  5. Step 5: Solve for x
    x = 4,088,714,240.45/72,624.15
  6. Step 6: Final answer
    x = 56,299.65

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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.