Home / 55,528.46-76,631.12-30,377.96

Finding the Fourth Proportional to 55,528.46, 76,631.12 and 30,377.96

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Solution

The fourth proportional to 55,528.46, 76,631.12 and 30,377.96 is: 41,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.46 : 76,631.12 = 30,377.96 : x
  2. Step 2: Convert to fraction form
    55,528.46/76,631.12 = 30,377.96/x
  3. Step 3: Cross multiply
    55,528.46x = 76,631.12 × 30,377.96
  4. Step 4: Simplify right side
    55,528.46x = 2,327,897,098.12
  5. Step 5: Solve for x
    x = 2,327,897,098.12/55,528.46
  6. Step 6: Final answer
    x = 41,922.59

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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.