Home / 89,729.43-134,594.63-23,165

Finding the Fourth Proportional to 89,729.43, 134,594.63 and 23,165

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Solution

The fourth proportional to 89,729.43, 134,594.63 and 23,165 is: 34,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,729.43 : 134,594.63 = 23,165 : x
  2. Step 2: Convert to fraction form
    89,729.43/134,594.63 = 23,165/x
  3. Step 3: Cross multiply
    89,729.43x = 134,594.63 × 23,165
  4. Step 4: Simplify right side
    89,729.43x = 3,117,884,603.95
  5. Step 5: Solve for x
    x = 3,117,884,603.95/89,729.43
  6. Step 6: Final answer
    x = 34,747.63

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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.