Home / 55,545.24-76,650.53-31,679.60

Finding the Fourth Proportional to 55,545.24, 76,650.53 and 31,679.60

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Solution

The fourth proportional to 55,545.24, 76,650.53 and 31,679.60 is: 43,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.24 : 76,650.53 = 31,679.60 : x
  2. Step 2: Convert to fraction form
    55,545.24/76,650.53 = 31,679.60/x
  3. Step 3: Cross multiply
    55,545.24x = 76,650.53 × 31,679.60
  4. Step 4: Simplify right side
    55,545.24x = 2,428,258,163.42
  5. Step 5: Solve for x
    x = 2,428,258,163.42/55,545.24
  6. Step 6: Final answer
    x = 43,716.76

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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.