Home / 120,145.24-180,227.48-37,039

Finding the Fourth Proportional to 120,145.24, 180,227.48 and 37,039

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Solution

The fourth proportional to 120,145.24, 180,227.48 and 37,039 is: 55,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,145.24 : 180,227.48 = 37,039 : x
  2. Step 2: Convert to fraction form
    120,145.24/180,227.48 = 37,039/x
  3. Step 3: Cross multiply
    120,145.24x = 180,227.48 × 37,039
  4. Step 4: Simplify right side
    120,145.24x = 6,675,445,631.72
  5. Step 5: Solve for x
    x = 6,675,445,631.72/120,145.24
  6. Step 6: Final answer
    x = 55,561.47

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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.