Home / 74,019.06-111,027.56-17,858.70

Finding the Fourth Proportional to 74,019.06, 111,027.56 and 17,858.70

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Solution

The fourth proportional to 74,019.06, 111,027.56 and 17,858.70 is: 26,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.06 : 111,027.56 = 17,858.70 : x
  2. Step 2: Convert to fraction form
    74,019.06/111,027.56 = 17,858.70/x
  3. Step 3: Cross multiply
    74,019.06x = 111,027.56 × 17,858.70
  4. Step 4: Simplify right side
    74,019.06x = 1,982,807,885.77
  5. Step 5: Solve for x
    x = 1,982,807,885.77/74,019.06
  6. Step 6: Final answer
    x = 26,787.80

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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.