Home / 55,222.33-76,204.11-31,348.66

Finding the Fourth Proportional to 55,222.33, 76,204.11 and 31,348.66

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Solution

The fourth proportional to 55,222.33, 76,204.11 and 31,348.66 is: 43,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222.33 : 76,204.11 = 31,348.66 : x
  2. Step 2: Convert to fraction form
    55,222.33/76,204.11 = 31,348.66/x
  3. Step 3: Cross multiply
    55,222.33x = 76,204.11 × 31,348.66
  4. Step 4: Simplify right side
    55,222.33x = 2,388,896,734.99
  5. Step 5: Solve for x
    x = 2,388,896,734.99/55,222.33
  6. Step 6: Final answer
    x = 43,259.61

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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.