Home / 114,743.52-172,110.60-39,880.64

Finding the Fourth Proportional to 114,743.52, 172,110.60 and 39,880.64

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Solution

The fourth proportional to 114,743.52, 172,110.60 and 39,880.64 is: 59,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,743.52 : 172,110.60 = 39,880.64 : x
  2. Step 2: Convert to fraction form
    114,743.52/172,110.60 = 39,880.64/x
  3. Step 3: Cross multiply
    114,743.52x = 172,110.60 × 39,880.64
  4. Step 4: Simplify right side
    114,743.52x = 6,863,880,878.78
  5. Step 5: Solve for x
    x = 6,863,880,878.78/114,743.52
  6. Step 6: Final answer
    x = 59,819.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.