Home / 112,794.29-155,648.88-61,806.41

Finding the Fourth Proportional to 112,794.29, 155,648.88 and 61,806.41

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Solution

The fourth proportional to 112,794.29, 155,648.88 and 61,806.41 is: 85,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,794.29 : 155,648.88 = 61,806.41 : x
  2. Step 2: Convert to fraction form
    112,794.29/155,648.88 = 61,806.41/x
  3. Step 3: Cross multiply
    112,794.29x = 155,648.88 × 61,806.41
  4. Step 4: Simplify right side
    112,794.29x = 9,620,098,493.32
  5. Step 5: Solve for x
    x = 9,620,098,493.32/112,794.29
  6. Step 6: Final answer
    x = 85,288.88

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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.