Home / 107,994.40-161,980.66-29,116.60

Finding the Fourth Proportional to 107,994.40, 161,980.66 and 29,116.60

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Solution

The fourth proportional to 107,994.40, 161,980.66 and 29,116.60 is: 43,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,994.40 : 161,980.66 = 29,116.60 : x
  2. Step 2: Convert to fraction form
    107,994.40/161,980.66 = 29,116.60/x
  3. Step 3: Cross multiply
    107,994.40x = 161,980.66 × 29,116.60
  4. Step 4: Simplify right side
    107,994.40x = 4,716,326,084.96
  5. Step 5: Solve for x
    x = 4,716,326,084.96/107,994.40
  6. Step 6: Final answer
    x = 43,671.95

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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.