Home / 55,227.96-76,216.68-31,355.64

Finding the Fourth Proportional to 55,227.96, 76,216.68 and 31,355.64

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Solution

The fourth proportional to 55,227.96, 76,216.68 and 31,355.64 is: 43,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,227.96 : 76,216.68 = 31,355.64 : x
  2. Step 2: Convert to fraction form
    55,227.96/76,216.68 = 31,355.64/x
  3. Step 3: Cross multiply
    55,227.96x = 76,216.68 × 31,355.64
  4. Step 4: Simplify right side
    55,227.96x = 2,389,822,780.08
  5. Step 5: Solve for x
    x = 2,389,822,780.08/55,227.96
  6. Step 6: Final answer
    x = 43,271.97

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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.