Home / 70,781.24-106,018.74-33,285.14

Finding the Fourth Proportional to 70,781.24, 106,018.74 and 33,285.14

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Solution

The fourth proportional to 70,781.24, 106,018.74 and 33,285.14 is: 49,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,781.24 : 106,018.74 = 33,285.14 : x
  2. Step 2: Convert to fraction form
    70,781.24/106,018.74 = 33,285.14/x
  3. Step 3: Cross multiply
    70,781.24x = 106,018.74 × 33,285.14
  4. Step 4: Simplify right side
    70,781.24x = 3,528,848,603.52
  5. Step 5: Solve for x
    x = 3,528,848,603.52/70,781.24
  6. Step 6: Final answer
    x = 49,855.70

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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.