Home / 72,425.62-99,982.32-48,266.80

Finding the Fourth Proportional to 72,425.62, 99,982.32 and 48,266.80

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Solution

The fourth proportional to 72,425.62, 99,982.32 and 48,266.80 is: 66,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,425.62 : 99,982.32 = 48,266.80 : x
  2. Step 2: Convert to fraction form
    72,425.62/99,982.32 = 48,266.80/x
  3. Step 3: Cross multiply
    72,425.62x = 99,982.32 × 48,266.80
  4. Step 4: Simplify right side
    72,425.62x = 4,825,826,642.98
  5. Step 5: Solve for x
    x = 4,825,826,642.98/72,425.62
  6. Step 6: Final answer
    x = 66,631.49

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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.