Home / 84,244.51-126,401.13-54,274.41

Finding the Fourth Proportional to 84,244.51, 126,401.13 and 54,274.41

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Solution

The fourth proportional to 84,244.51, 126,401.13 and 54,274.41 is: 81,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,244.51 : 126,401.13 = 54,274.41 : x
  2. Step 2: Convert to fraction form
    84,244.51/126,401.13 = 54,274.41/x
  3. Step 3: Cross multiply
    84,244.51x = 126,401.13 × 54,274.41
  4. Step 4: Simplify right side
    84,244.51x = 6,860,346,754.08
  5. Step 5: Solve for x
    x = 6,860,346,754.08/84,244.51
  6. Step 6: Final answer
    x = 81,433.75

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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.