Home / 115,024.50-172,564.44-36,138.70

Finding the Fourth Proportional to 115,024.50, 172,564.44 and 36,138.70

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Solution

The fourth proportional to 115,024.50, 172,564.44 and 36,138.70 is: 54,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,024.50 : 172,564.44 = 36,138.70 : x
  2. Step 2: Convert to fraction form
    115,024.50/172,564.44 = 36,138.70/x
  3. Step 3: Cross multiply
    115,024.50x = 172,564.44 × 36,138.70
  4. Step 4: Simplify right side
    115,024.50x = 6,236,254,096.42
  5. Step 5: Solve for x
    x = 6,236,254,096.42/115,024.50
  6. Step 6: Final answer
    x = 54,216.75

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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.