Home / 60,814.59-91,216.32-43,121.16

Finding the Fourth Proportional to 60,814.59, 91,216.32 and 43,121.16

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Solution

The fourth proportional to 60,814.59, 91,216.32 and 43,121.16 is: 64,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,814.59 : 91,216.32 = 43,121.16 : x
  2. Step 2: Convert to fraction form
    60,814.59/91,216.32 = 43,121.16/x
  3. Step 3: Cross multiply
    60,814.59x = 91,216.32 × 43,121.16
  4. Step 4: Simplify right side
    60,814.59x = 3,933,353,529.33
  5. Step 5: Solve for x
    x = 3,933,353,529.33/60,814.59
  6. Step 6: Final answer
    x = 64,677.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.