Home / 112,819.16-155,692.44-61,828.49

Finding the Fourth Proportional to 112,819.16, 155,692.44 and 61,828.49

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Solution

The fourth proportional to 112,819.16, 155,692.44 and 61,828.49 is: 85,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,819.16 : 155,692.44 = 61,828.49 : x
  2. Step 2: Convert to fraction form
    112,819.16/155,692.44 = 61,828.49/x
  3. Step 3: Cross multiply
    112,819.16x = 155,692.44 × 61,828.49
  4. Step 4: Simplify right side
    112,819.16x = 9,626,228,160.47
  5. Step 5: Solve for x
    x = 9,626,228,160.47/112,819.16
  6. Step 6: Final answer
    x = 85,324.41

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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.