Home / 57,140.44-78,835.48-37,012.75

Finding the Fourth Proportional to 57,140.44, 78,835.48 and 37,012.75

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Solution

The fourth proportional to 57,140.44, 78,835.48 and 37,012.75 is: 51,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,140.44 : 78,835.48 = 37,012.75 : x
  2. Step 2: Convert to fraction form
    57,140.44/78,835.48 = 37,012.75/x
  3. Step 3: Cross multiply
    57,140.44x = 78,835.48 × 37,012.75
  4. Step 4: Simplify right side
    57,140.44x = 2,917,917,622.75
  5. Step 5: Solve for x
    x = 2,917,917,622.75/57,140.44
  6. Step 6: Final answer
    x = 51,065.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.