Home / 55,372.23-76,387.09-36,243.58

Finding the Fourth Proportional to 55,372.23, 76,387.09 and 36,243.58

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Solution

The fourth proportional to 55,372.23, 76,387.09 and 36,243.58 is: 49,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,372.23 : 76,387.09 = 36,243.58 : x
  2. Step 2: Convert to fraction form
    55,372.23/76,387.09 = 36,243.58/x
  3. Step 3: Cross multiply
    55,372.23x = 76,387.09 × 36,243.58
  4. Step 4: Simplify right side
    55,372.23x = 2,768,541,607.38
  5. Step 5: Solve for x
    x = 2,768,541,607.38/55,372.23
  6. Step 6: Final answer
    x = 49,998.74

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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.