Home / 55,199.61-76,173.39-31,324.86

Finding the Fourth Proportional to 55,199.61, 76,173.39 and 31,324.86

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Solution

The fourth proportional to 55,199.61, 76,173.39 and 31,324.86 is: 43,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,199.61 : 76,173.39 = 31,324.86 : x
  2. Step 2: Convert to fraction form
    55,199.61/76,173.39 = 31,324.86/x
  3. Step 3: Cross multiply
    55,199.61x = 76,173.39 × 31,324.86
  4. Step 4: Simplify right side
    55,199.61x = 2,386,120,777.48
  5. Step 5: Solve for x
    x = 2,386,120,777.48/55,199.61
  6. Step 6: Final answer
    x = 43,227.13

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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.