Home / 55,965.08-77,231.66-30,814.58

Finding the Fourth Proportional to 55,965.08, 77,231.66 and 30,814.58

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Solution

The fourth proportional to 55,965.08, 77,231.66 and 30,814.58 is: 42,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,965.08 : 77,231.66 = 30,814.58 : x
  2. Step 2: Convert to fraction form
    55,965.08/77,231.66 = 30,814.58/x
  3. Step 3: Cross multiply
    55,965.08x = 77,231.66 × 30,814.58
  4. Step 4: Simplify right side
    55,965.08x = 2,379,861,165.60
  5. Step 5: Solve for x
    x = 2,379,861,165.60/55,965.08
  6. Step 6: Final answer
    x = 42,524.04

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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.