Home / 56,500.20-84,653.10-36,768.60

Finding the Fourth Proportional to 56,500.20, 84,653.10 and 36,768.60

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Solution

The fourth proportional to 56,500.20, 84,653.10 and 36,768.60 is: 55,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,500.20 : 84,653.10 = 36,768.60 : x
  2. Step 2: Convert to fraction form
    56,500.20/84,653.10 = 36,768.60/x
  3. Step 3: Cross multiply
    56,500.20x = 84,653.10 × 36,768.60
  4. Step 4: Simplify right side
    56,500.20x = 3,112,575,972.66
  5. Step 5: Solve for x
    x = 3,112,575,972.66/56,500.20
  6. Step 6: Final answer
    x = 55,089.65

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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.