Home / 117,022.10-175,392.72-67,136.63

Finding the Fourth Proportional to 117,022.10, 175,392.72 and 67,136.63

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Solution

The fourth proportional to 117,022.10, 175,392.72 and 67,136.63 is: 100,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,022.10 : 175,392.72 = 67,136.63 : x
  2. Step 2: Convert to fraction form
    117,022.10/175,392.72 = 67,136.63/x
  3. Step 3: Cross multiply
    117,022.10x = 175,392.72 × 67,136.63
  4. Step 4: Simplify right side
    117,022.10x = 11,775,275,270.37
  5. Step 5: Solve for x
    x = 11,775,275,270.37/117,022.10
  6. Step 6: Final answer
    x = 100,624.38

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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.