Home / 72,426.62-99,983.70-48,267.80

Finding the Fourth Proportional to 72,426.62, 99,983.70 and 48,267.80

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Solution

The fourth proportional to 72,426.62, 99,983.70 and 48,267.80 is: 66,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,426.62 : 99,983.70 = 48,267.80 : x
  2. Step 2: Convert to fraction form
    72,426.62/99,983.70 = 48,267.80/x
  3. Step 3: Cross multiply
    72,426.62x = 99,983.70 × 48,267.80
  4. Step 4: Simplify right side
    72,426.62x = 4,825,993,234.86
  5. Step 5: Solve for x
    x = 4,825,993,234.86/72,426.62
  6. Step 6: Final answer
    x = 66,632.87

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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.