Home / 55,068.75-75,996.64-31,194.90

Finding the Fourth Proportional to 55,068.75, 75,996.64 and 31,194.90

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Solution

The fourth proportional to 55,068.75, 75,996.64 and 31,194.90 is: 43,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,068.75 : 75,996.64 = 31,194.90 : x
  2. Step 2: Convert to fraction form
    55,068.75/75,996.64 = 31,194.90/x
  3. Step 3: Cross multiply
    55,068.75x = 75,996.64 × 31,194.90
  4. Step 4: Simplify right side
    55,068.75x = 2,370,707,585.14
  5. Step 5: Solve for x
    x = 2,370,707,585.14/55,068.75
  6. Step 6: Final answer
    x = 43,049.96

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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.