Home / 34,087.82-51,128.15-9,130.44

Finding the Fourth Proportional to 34,087.82, 51,128.15 and 9,130.44

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Solution

The fourth proportional to 34,087.82, 51,128.15 and 9,130.44 is: 13,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.82 : 51,128.15 = 9,130.44 : x
  2. Step 2: Convert to fraction form
    34,087.82/51,128.15 = 9,130.44/x
  3. Step 3: Cross multiply
    34,087.82x = 51,128.15 × 9,130.44
  4. Step 4: Simplify right side
    34,087.82x = 466,822,460.23
  5. Step 5: Solve for x
    x = 466,822,460.23/34,087.82
  6. Step 6: Final answer
    x = 13,694.70

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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.