Home / 104,749.20-157,145.40-34,677.72

Finding the Fourth Proportional to 104,749.20, 157,145.40 and 34,677.72

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Solution

The fourth proportional to 104,749.20, 157,145.40 and 34,677.72 is: 52,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.20 : 157,145.40 = 34,677.72 : x
  2. Step 2: Convert to fraction form
    104,749.20/157,145.40 = 34,677.72/x
  3. Step 3: Cross multiply
    104,749.20x = 157,145.40 × 34,677.72
  4. Step 4: Simplify right side
    104,749.20x = 5,449,444,180.49
  5. Step 5: Solve for x
    x = 5,449,444,180.49/104,749.20
  6. Step 6: Final answer
    x = 52,023.73

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1.5x scale

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.