Home / 112,135.14-154,747.65-61,835.94

Finding the Fourth Proportional to 112,135.14, 154,747.65 and 61,835.94

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Solution

The fourth proportional to 112,135.14, 154,747.65 and 61,835.94 is: 85,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,135.14 : 154,747.65 = 61,835.94 : x
  2. Step 2: Convert to fraction form
    112,135.14/154,747.65 = 61,835.94/x
  3. Step 3: Cross multiply
    112,135.14x = 154,747.65 × 61,835.94
  4. Step 4: Simplify right side
    112,135.14x = 9,568,966,400.54
  5. Step 5: Solve for x
    x = 9,568,966,400.54/112,135.14
  6. Step 6: Final answer
    x = 85,334.24

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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.