Home / 117,208.98-175,879.08-47,137.50

Finding the Fourth Proportional to 117,208.98, 175,879.08 and 47,137.50

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Solution

The fourth proportional to 117,208.98, 175,879.08 and 47,137.50 is: 70,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,208.98 : 175,879.08 = 47,137.50 : x
  2. Step 2: Convert to fraction form
    117,208.98/175,879.08 = 47,137.50/x
  3. Step 3: Cross multiply
    117,208.98x = 175,879.08 × 47,137.50
  4. Step 4: Simplify right side
    117,208.98x = 8,290,500,133.50
  5. Step 5: Solve for x
    x = 8,290,500,133.50/117,208.98
  6. Step 6: Final answer
    x = 70,732.64

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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.