Home / 57,026.22-78,692.98-31,531.10

Finding the Fourth Proportional to 57,026.22, 78,692.98 and 31,531.10

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Solution

The fourth proportional to 57,026.22, 78,692.98 and 31,531.10 is: 43,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,026.22 : 78,692.98 = 31,531.10 : x
  2. Step 2: Convert to fraction form
    57,026.22/78,692.98 = 31,531.10/x
  3. Step 3: Cross multiply
    57,026.22x = 78,692.98 × 31,531.10
  4. Step 4: Simplify right side
    57,026.22x = 2,481,276,221.68
  5. Step 5: Solve for x
    x = 2,481,276,221.68/57,026.22
  6. Step 6: Final answer
    x = 43,511.15

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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.