Home / 56,610.20-84,818.10-36,878.60

Finding the Fourth Proportional to 56,610.20, 84,818.10 and 36,878.60

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Solution

The fourth proportional to 56,610.20, 84,818.10 and 36,878.60 is: 55,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610.20 : 84,818.10 = 36,878.60 : x
  2. Step 2: Convert to fraction form
    56,610.20/84,818.10 = 36,878.60/x
  3. Step 3: Cross multiply
    56,610.20x = 84,818.10 × 36,878.60
  4. Step 4: Simplify right side
    56,610.20x = 3,127,972,782.66
  5. Step 5: Solve for x
    x = 3,127,972,782.66/56,610.20
  6. Step 6: Final answer
    x = 55,254.58

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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.