Home / 55,327.12-82,948.14-28,644.50

Finding the Fourth Proportional to 55,327.12, 82,948.14 and 28,644.50

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Solution

The fourth proportional to 55,327.12, 82,948.14 and 28,644.50 is: 42,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.12 : 82,948.14 = 28,644.50 : x
  2. Step 2: Convert to fraction form
    55,327.12/82,948.14 = 28,644.50/x
  3. Step 3: Cross multiply
    55,327.12x = 82,948.14 × 28,644.50
  4. Step 4: Simplify right side
    55,327.12x = 2,376,007,996.23
  5. Step 5: Solve for x
    x = 2,376,007,996.23/55,327.12
  6. Step 6: Final answer
    x = 42,944.73

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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.