Home / 70,234.48-105,302.50-25,855.47

Finding the Fourth Proportional to 70,234.48, 105,302.50 and 25,855.47

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Solution

The fourth proportional to 70,234.48, 105,302.50 and 25,855.47 is: 38,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,234.48 : 105,302.50 = 25,855.47 : x
  2. Step 2: Convert to fraction form
    70,234.48/105,302.50 = 25,855.47/x
  3. Step 3: Cross multiply
    70,234.48x = 105,302.50 × 25,855.47
  4. Step 4: Simplify right side
    70,234.48x = 2,722,645,565.04
  5. Step 5: Solve for x
    x = 2,722,645,565.04/70,234.48
  6. Step 6: Final answer
    x = 38,765.09

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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.