Home / 87,733.81-121,073.39-50,010.49

Finding the Fourth Proportional to 87,733.81, 121,073.39 and 50,010.49

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Solution

The fourth proportional to 87,733.81, 121,073.39 and 50,010.49 is: 69,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,733.81 : 121,073.39 = 50,010.49 : x
  2. Step 2: Convert to fraction form
    87,733.81/121,073.39 = 50,010.49/x
  3. Step 3: Cross multiply
    87,733.81x = 121,073.39 × 50,010.49
  4. Step 4: Simplify right side
    87,733.81x = 6,054,939,559.86
  5. Step 5: Solve for x
    x = 6,054,939,559.86/87,733.81
  6. Step 6: Final answer
    x = 69,014.89

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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.