Home / 56,686.20-84,932.10-36,954.60

Finding the Fourth Proportional to 56,686.20, 84,932.10 and 36,954.60

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Solution

The fourth proportional to 56,686.20, 84,932.10 and 36,954.60 is: 55,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686.20 : 84,932.10 = 36,954.60 : x
  2. Step 2: Convert to fraction form
    56,686.20/84,932.10 = 36,954.60/x
  3. Step 3: Cross multiply
    56,686.20x = 84,932.10 × 36,954.60
  4. Step 4: Simplify right side
    56,686.20x = 3,138,631,782.66
  5. Step 5: Solve for x
    x = 3,138,631,782.66/56,686.20
  6. Step 6: Final answer
    x = 55,368.53

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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.