Home / 86,198.51-118,951.67-47,956.12

Finding the Fourth Proportional to 86,198.51, 118,951.67 and 47,956.12

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Solution

The fourth proportional to 86,198.51, 118,951.67 and 47,956.12 is: 66,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,198.51 : 118,951.67 = 47,956.12 : x
  2. Step 2: Convert to fraction form
    86,198.51/118,951.67 = 47,956.12/x
  3. Step 3: Cross multiply
    86,198.51x = 118,951.67 × 47,956.12
  4. Step 4: Simplify right side
    86,198.51x = 5,704,460,383.23
  5. Step 5: Solve for x
    x = 5,704,460,383.23/86,198.51
  6. Step 6: Final answer
    x = 66,178.18

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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.