Home / 112,249.70-154,907.80-61,265.68

Finding the Fourth Proportional to 112,249.70, 154,907.80 and 61,265.68

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Solution

The fourth proportional to 112,249.70, 154,907.80 and 61,265.68 is: 84,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,249.70 : 154,907.80 = 61,265.68 : x
  2. Step 2: Convert to fraction form
    112,249.70/154,907.80 = 61,265.68/x
  3. Step 3: Cross multiply
    112,249.70x = 154,907.80 × 61,265.68
  4. Step 4: Simplify right side
    112,249.70x = 9,490,531,704.30
  5. Step 5: Solve for x
    x = 9,490,531,704.30/112,249.70
  6. Step 6: Final answer
    x = 84,548.39

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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.