Home / 56,734.10-78,291.34-31,240.52

Finding the Fourth Proportional to 56,734.10, 78,291.34 and 31,240.52

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Solution

The fourth proportional to 56,734.10, 78,291.34 and 31,240.52 is: 43,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,734.10 : 78,291.34 = 31,240.52 : x
  2. Step 2: Convert to fraction form
    56,734.10/78,291.34 = 31,240.52/x
  3. Step 3: Cross multiply
    56,734.10x = 78,291.34 × 31,240.52
  4. Step 4: Simplify right side
    56,734.10x = 2,445,861,625.44
  5. Step 5: Solve for x
    x = 2,445,861,625.44/56,734.10
  6. Step 6: Final answer
    x = 43,110.97

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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.