Home / 61,531.32-84,910.80-34,679.22

Finding the Fourth Proportional to 61,531.32, 84,910.80 and 34,679.22

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Solution

The fourth proportional to 61,531.32, 84,910.80 and 34,679.22 is: 47,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,531.32 : 84,910.80 = 34,679.22 : x
  2. Step 2: Convert to fraction form
    61,531.32/84,910.80 = 34,679.22/x
  3. Step 3: Cross multiply
    61,531.32x = 84,910.80 × 34,679.22
  4. Step 4: Simplify right side
    61,531.32x = 2,944,640,313.58
  5. Step 5: Solve for x
    x = 2,944,640,313.58/61,531.32
  6. Step 6: Final answer
    x = 47,855.96

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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.