Home / 47,133.97-70,701.52-12,072.69

Finding the Fourth Proportional to 47,133.97, 70,701.52 and 12,072.69

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Solution

The fourth proportional to 47,133.97, 70,701.52 and 12,072.69 is: 18,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,133.97 : 70,701.52 = 12,072.69 : x
  2. Step 2: Convert to fraction form
    47,133.97/70,701.52 = 12,072.69/x
  3. Step 3: Cross multiply
    47,133.97x = 70,701.52 × 12,072.69
  4. Step 4: Simplify right side
    47,133.97x = 853,557,533.49
  5. Step 5: Solve for x
    x = 853,557,533.49/47,133.97
  6. Step 6: Final answer
    x = 18,109.18

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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.