Home / 57,070.44-78,759.52-31,576.36

Finding the Fourth Proportional to 57,070.44, 78,759.52 and 31,576.36

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Solution

The fourth proportional to 57,070.44, 78,759.52 and 31,576.36 is: 43,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.44 : 78,759.52 = 31,576.36 : x
  2. Step 2: Convert to fraction form
    57,070.44/78,759.52 = 31,576.36/x
  3. Step 3: Cross multiply
    57,070.44x = 78,759.52 × 31,576.36
  4. Step 4: Simplify right side
    57,070.44x = 2,486,938,956.95
  5. Step 5: Solve for x
    x = 2,486,938,956.95/57,070.44
  6. Step 6: Final answer
    x = 43,576.66

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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.