Home / 47,960.78-66,208.16-34,172.00

Finding the Fourth Proportional to 47,960.78, 66,208.16 and 34,172.00

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Solution

The fourth proportional to 47,960.78, 66,208.16 and 34,172.00 is: 47,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,960.78 : 66,208.16 = 34,172.00 : x
  2. Step 2: Convert to fraction form
    47,960.78/66,208.16 = 34,172.00/x
  3. Step 3: Cross multiply
    47,960.78x = 66,208.16 × 34,172.00
  4. Step 4: Simplify right side
    47,960.78x = 2,262,464,741.62
  5. Step 5: Solve for x
    x = 2,262,464,741.62/47,960.78
  6. Step 6: Final answer
    x = 47,173.23

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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.