Home / 70,213.28-105,298.05-23,455.22

Finding the Fourth Proportional to 70,213.28, 105,298.05 and 23,455.22

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Solution

The fourth proportional to 70,213.28, 105,298.05 and 23,455.22 is: 35,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,213.28 : 105,298.05 = 23,455.22 : x
  2. Step 2: Convert to fraction form
    70,213.28/105,298.05 = 23,455.22/x
  3. Step 3: Cross multiply
    70,213.28x = 105,298.05 × 23,455.22
  4. Step 4: Simplify right side
    70,213.28x = 2,469,788,401.83
  5. Step 5: Solve for x
    x = 2,469,788,401.83/70,213.28
  6. Step 6: Final answer
    x = 35,175.52

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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.