Home / 53,583.12-80,388-37,818.90

Finding the Fourth Proportional to 53,583.12, 80,388 and 37,818.90

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Solution

The fourth proportional to 53,583.12, 80,388 and 37,818.90 is: 56,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,583.12 : 80,388 = 37,818.90 : x
  2. Step 2: Convert to fraction form
    53,583.12/80,388 = 37,818.90/x
  3. Step 3: Cross multiply
    53,583.12x = 80,388 × 37,818.90
  4. Step 4: Simplify right side
    53,583.12x = 3,040,185,733.20
  5. Step 5: Solve for x
    x = 3,040,185,733.20/53,583.12
  6. Step 6: Final answer
    x = 56,737.75

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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.