Home / 58,939.81-81,338.69-36,291.86

Finding the Fourth Proportional to 58,939.81, 81,338.69 and 36,291.86

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Solution

The fourth proportional to 58,939.81, 81,338.69 and 36,291.86 is: 50,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,939.81 : 81,338.69 = 36,291.86 : x
  2. Step 2: Convert to fraction form
    58,939.81/81,338.69 = 36,291.86/x
  3. Step 3: Cross multiply
    58,939.81x = 81,338.69 × 36,291.86
  4. Step 4: Simplify right side
    58,939.81x = 2,951,932,168.60
  5. Step 5: Solve for x
    x = 2,951,932,168.60/58,939.81
  6. Step 6: Final answer
    x = 50,083.85

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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.