Home / 92,623.69-138,947.31-29,421.26

Finding the Fourth Proportional to 92,623.69, 138,947.31 and 29,421.26

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Solution

The fourth proportional to 92,623.69, 138,947.31 and 29,421.26 is: 44,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,623.69 : 138,947.31 = 29,421.26 : x
  2. Step 2: Convert to fraction form
    92,623.69/138,947.31 = 29,421.26/x
  3. Step 3: Cross multiply
    92,623.69x = 138,947.31 × 29,421.26
  4. Step 4: Simplify right side
    92,623.69x = 4,088,004,786.70
  5. Step 5: Solve for x
    x = 4,088,004,786.70/92,623.69
  6. Step 6: Final answer
    x = 44,135.63

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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.