Home / 117,734.40-176,569.20-47,620.80

Finding the Fourth Proportional to 117,734.40, 176,569.20 and 47,620.80

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Solution

The fourth proportional to 117,734.40, 176,569.20 and 47,620.80 is: 71,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,734.40 : 176,569.20 = 47,620.80 : x
  2. Step 2: Convert to fraction form
    117,734.40/176,569.20 = 47,620.80/x
  3. Step 3: Cross multiply
    117,734.40x = 176,569.20 × 47,620.80
  4. Step 4: Simplify right side
    117,734.40x = 8,408,366,559.36
  5. Step 5: Solve for x
    x = 8,408,366,559.36/117,734.40
  6. Step 6: Final answer
    x = 71,418.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.