Home / 104,742.56-157,138.44-34,621.87

Finding the Fourth Proportional to 104,742.56, 157,138.44 and 34,621.87

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Solution

The fourth proportional to 104,742.56, 157,138.44 and 34,621.87 is: 51,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,742.56 : 157,138.44 = 34,621.87 : x
  2. Step 2: Convert to fraction form
    104,742.56/157,138.44 = 34,621.87/x
  3. Step 3: Cross multiply
    104,742.56x = 157,138.44 × 34,621.87
  4. Step 4: Simplify right side
    104,742.56x = 5,440,426,641.68
  5. Step 5: Solve for x
    x = 5,440,426,641.68/104,742.56
  6. Step 6: Final answer
    x = 51,940.94

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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.