Home / 105,772.14-158,673.06-30,897.78

Finding the Fourth Proportional to 105,772.14, 158,673.06 and 30,897.78

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Solution

The fourth proportional to 105,772.14, 158,673.06 and 30,897.78 is: 46,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,772.14 : 158,673.06 = 30,897.78 : x
  2. Step 2: Convert to fraction form
    105,772.14/158,673.06 = 30,897.78/x
  3. Step 3: Cross multiply
    105,772.14x = 158,673.06 × 30,897.78
  4. Step 4: Simplify right side
    105,772.14x = 4,902,645,299.81
  5. Step 5: Solve for x
    x = 4,902,645,299.81/105,772.14
  6. Step 6: Final answer
    x = 46,351.01

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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.