Home / 117,138.72-175,583.70-60,922.57

Finding the Fourth Proportional to 117,138.72, 175,583.70 and 60,922.57

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Solution

The fourth proportional to 117,138.72, 175,583.70 and 60,922.57 is: 91,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,138.72 : 175,583.70 = 60,922.57 : x
  2. Step 2: Convert to fraction form
    117,138.72/175,583.70 = 60,922.57/x
  3. Step 3: Cross multiply
    117,138.72x = 175,583.70 × 60,922.57
  4. Step 4: Simplify right side
    117,138.72x = 10,697,009,949.50
  5. Step 5: Solve for x
    x = 10,697,009,949.50/117,138.72
  6. Step 6: Final answer
    x = 91,319.16

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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.