Home / 106,400.42-146,845.88-61,092.60

Finding the Fourth Proportional to 106,400.42, 146,845.88 and 61,092.60

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Solution

The fourth proportional to 106,400.42, 146,845.88 and 61,092.60 is: 84,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,400.42 : 146,845.88 = 61,092.60 : x
  2. Step 2: Convert to fraction form
    106,400.42/146,845.88 = 61,092.60/x
  3. Step 3: Cross multiply
    106,400.42x = 146,845.88 × 61,092.60
  4. Step 4: Simplify right side
    106,400.42x = 8,971,196,303.03
  5. Step 5: Solve for x
    x = 8,971,196,303.03/106,400.42
  6. Step 6: Final answer
    x = 84,315.43

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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.