Home / 76,103.35-114,152.34-19,943.01

Finding the Fourth Proportional to 76,103.35, 114,152.34 and 19,943.01

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Solution

The fourth proportional to 76,103.35, 114,152.34 and 19,943.01 is: 29,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,103.35 : 114,152.34 = 19,943.01 : x
  2. Step 2: Convert to fraction form
    76,103.35/114,152.34 = 19,943.01/x
  3. Step 3: Cross multiply
    76,103.35x = 114,152.34 × 19,943.01
  4. Step 4: Simplify right side
    76,103.35x = 2,276,541,220.75
  5. Step 5: Solve for x
    x = 2,276,541,220.75/76,103.35
  6. Step 6: Final answer
    x = 29,913.81

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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.