Home / 70,250.23-105,326.06-25,871.29

Finding the Fourth Proportional to 70,250.23, 105,326.06 and 25,871.29

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Solution

The fourth proportional to 70,250.23, 105,326.06 and 25,871.29 is: 38,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,250.23 : 105,326.06 = 25,871.29 : x
  2. Step 2: Convert to fraction form
    70,250.23/105,326.06 = 25,871.29/x
  3. Step 3: Cross multiply
    70,250.23x = 105,326.06 × 25,871.29
  4. Step 4: Simplify right side
    70,250.23x = 2,724,920,650.15
  5. Step 5: Solve for x
    x = 2,724,920,650.15/70,250.23
  6. Step 6: Final answer
    x = 38,788.78

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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.