Home / 53,638.74-74,019.22-29,763.99

Finding the Fourth Proportional to 53,638.74, 74,019.22 and 29,763.99

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Solution

The fourth proportional to 53,638.74, 74,019.22 and 29,763.99 is: 41,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.74 : 74,019.22 = 29,763.99 : x
  2. Step 2: Convert to fraction form
    53,638.74/74,019.22 = 29,763.99/x
  3. Step 3: Cross multiply
    53,638.74x = 74,019.22 × 29,763.99
  4. Step 4: Simplify right side
    53,638.74x = 2,203,107,249.48
  5. Step 5: Solve for x
    x = 2,203,107,249.48/53,638.74
  6. Step 6: Final answer
    x = 41,073.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.