Home / 105,397.06-158,095.86-43,067.56

Finding the Fourth Proportional to 105,397.06, 158,095.86 and 43,067.56

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Solution

The fourth proportional to 105,397.06, 158,095.86 and 43,067.56 is: 64,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,397.06 : 158,095.86 = 43,067.56 : x
  2. Step 2: Convert to fraction form
    105,397.06/158,095.86 = 43,067.56/x
  3. Step 3: Cross multiply
    105,397.06x = 158,095.86 × 43,067.56
  4. Step 4: Simplify right side
    105,397.06x = 6,808,802,936.30
  5. Step 5: Solve for x
    x = 6,808,802,936.30/105,397.06
  6. Step 6: Final answer
    x = 64,601.45

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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.