Home / 47,138.55-70,696.88-17,570.31

Finding the Fourth Proportional to 47,138.55, 70,696.88 and 17,570.31

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Solution

The fourth proportional to 47,138.55, 70,696.88 and 17,570.31 is: 26,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.55 : 70,696.88 = 17,570.31 : x
  2. Step 2: Convert to fraction form
    47,138.55/70,696.88 = 17,570.31/x
  3. Step 3: Cross multiply
    47,138.55x = 70,696.88 × 17,570.31
  4. Step 4: Simplify right side
    47,138.55x = 1,242,166,097.63
  5. Step 5: Solve for x
    x = 1,242,166,097.63/47,138.55
  6. Step 6: Final answer
    x = 26,351.39

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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.