Home / 112,450.59-155,177.10-61,462.44

Finding the Fourth Proportional to 112,450.59, 155,177.10 and 61,462.44

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Solution

The fourth proportional to 112,450.59, 155,177.10 and 61,462.44 is: 84,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,450.59 : 155,177.10 = 61,462.44 : x
  2. Step 2: Convert to fraction form
    112,450.59/155,177.10 = 61,462.44/x
  3. Step 3: Cross multiply
    112,450.59x = 155,177.10 × 61,462.44
  4. Step 4: Simplify right side
    112,450.59x = 9,537,563,198.12
  5. Step 5: Solve for x
    x = 9,537,563,198.12/112,450.59
  6. Step 6: Final answer
    x = 84,815.59

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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.