Home / 105,977.33-158,990.62-31,094.45

Finding the Fourth Proportional to 105,977.33, 158,990.62 and 31,094.45

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Solution

The fourth proportional to 105,977.33, 158,990.62 and 31,094.45 is: 46,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,977.33 : 158,990.62 = 31,094.45 : x
  2. Step 2: Convert to fraction form
    105,977.33/158,990.62 = 31,094.45/x
  3. Step 3: Cross multiply
    105,977.33x = 158,990.62 × 31,094.45
  4. Step 4: Simplify right side
    105,977.33x = 4,943,725,884.06
  5. Step 5: Solve for x
    x = 4,943,725,884.06/105,977.33
  6. Step 6: Final answer
    x = 46,648.90

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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.