Home / 99,216.67-136,911.92-56,183.80

Finding the Fourth Proportional to 99,216.67, 136,911.92 and 56,183.80

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Solution

The fourth proportional to 99,216.67, 136,911.92 and 56,183.80 is: 77,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,216.67 : 136,911.92 = 56,183.80 : x
  2. Step 2: Convert to fraction form
    99,216.67/136,911.92 = 56,183.80/x
  3. Step 3: Cross multiply
    99,216.67x = 136,911.92 × 56,183.80
  4. Step 4: Simplify right side
    99,216.67x = 7,692,231,930.90
  5. Step 5: Solve for x
    x = 7,692,231,930.90/99,216.67
  6. Step 6: Final answer
    x = 77,529.63

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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.