Home / 70,207.16-105,330.78-34,679.34

Finding the Fourth Proportional to 70,207.16, 105,330.78 and 34,679.34

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Solution

The fourth proportional to 70,207.16, 105,330.78 and 34,679.34 is: 52,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,207.16 : 105,330.78 = 34,679.34 : x
  2. Step 2: Convert to fraction form
    70,207.16/105,330.78 = 34,679.34/x
  3. Step 3: Cross multiply
    70,207.16x = 105,330.78 × 34,679.34
  4. Step 4: Simplify right side
    70,207.16x = 3,652,801,932.09
  5. Step 5: Solve for x
    x = 3,652,801,932.09/70,207.16
  6. Step 6: Final answer
    x = 52,028.91

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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.