Home / 89,496.84-134,161.41-30,291.06

Finding the Fourth Proportional to 89,496.84, 134,161.41 and 30,291.06

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Solution

The fourth proportional to 89,496.84, 134,161.41 and 30,291.06 is: 45,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,496.84 : 134,161.41 = 30,291.06 : x
  2. Step 2: Convert to fraction form
    89,496.84/134,161.41 = 30,291.06/x
  3. Step 3: Cross multiply
    89,496.84x = 134,161.41 × 30,291.06
  4. Step 4: Simplify right side
    89,496.84x = 4,063,891,319.99
  5. Step 5: Solve for x
    x = 4,063,891,319.99/89,496.84
  6. Step 6: Final answer
    x = 45,408.21

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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.