Home / 105,163.11-145,137.83-59,852.12

Finding the Fourth Proportional to 105,163.11, 145,137.83 and 59,852.12

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Solution

The fourth proportional to 105,163.11, 145,137.83 and 59,852.12 is: 82,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,163.11 : 145,137.83 = 59,852.12 : x
  2. Step 2: Convert to fraction form
    105,163.11/145,137.83 = 59,852.12/x
  3. Step 3: Cross multiply
    105,163.11x = 145,137.83 × 59,852.12
  4. Step 4: Simplify right side
    105,163.11x = 8,686,805,792.75
  5. Step 5: Solve for x
    x = 8,686,805,792.75/105,163.11
  6. Step 6: Final answer
    x = 82,603.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.