Home / 70,079.04-105,119.64-23,331.96

Finding the Fourth Proportional to 70,079.04, 105,119.64 and 23,331.96

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Solution

The fourth proportional to 70,079.04, 105,119.64 and 23,331.96 is: 34,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,079.04 : 105,119.64 = 23,331.96 : x
  2. Step 2: Convert to fraction form
    70,079.04/105,119.64 = 23,331.96/x
  3. Step 3: Cross multiply
    70,079.04x = 105,119.64 × 23,331.96
  4. Step 4: Simplify right side
    70,079.04x = 2,452,647,235.69
  5. Step 5: Solve for x
    x = 2,452,647,235.69/70,079.04
  6. Step 6: Final answer
    x = 34,998.30

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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.