Home / 112,661.14-155,471.04-61,673.26

Finding the Fourth Proportional to 112,661.14, 155,471.04 and 61,673.26

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Solution

The fourth proportional to 112,661.14, 155,471.04 and 61,673.26 is: 85,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,661.14 : 155,471.04 = 61,673.26 : x
  2. Step 2: Convert to fraction form
    112,661.14/155,471.04 = 61,673.26/x
  3. Step 3: Cross multiply
    112,661.14x = 155,471.04 × 61,673.26
  4. Step 4: Simplify right side
    112,661.14x = 9,588,405,872.39
  5. Step 5: Solve for x
    x = 9,588,405,872.39/112,661.14
  6. Step 6: Final answer
    x = 85,108.37

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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.