Home / 45,259.74-67,874.23-15,670.65

Finding the Fourth Proportional to 45,259.74, 67,874.23 and 15,670.65

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Solution

The fourth proportional to 45,259.74, 67,874.23 and 15,670.65 is: 23,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,259.74 : 67,874.23 = 15,670.65 : x
  2. Step 2: Convert to fraction form
    45,259.74/67,874.23 = 15,670.65/x
  3. Step 3: Cross multiply
    45,259.74x = 67,874.23 × 15,670.65
  4. Step 4: Simplify right side
    45,259.74x = 1,063,633,436.94
  5. Step 5: Solve for x
    x = 1,063,633,436.94/45,259.74
  6. Step 6: Final answer
    x = 23,500.65

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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.