Home / 106,100.80-146,416.44-57,702.14

Finding the Fourth Proportional to 106,100.80, 146,416.44 and 57,702.14

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Solution

The fourth proportional to 106,100.80, 146,416.44 and 57,702.14 is: 79,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,100.80 : 146,416.44 = 57,702.14 : x
  2. Step 2: Convert to fraction form
    106,100.80/146,416.44 = 57,702.14/x
  3. Step 3: Cross multiply
    106,100.80x = 146,416.44 × 57,702.14
  4. Step 4: Simplify right side
    106,100.80x = 8,448,541,919.18
  5. Step 5: Solve for x
    x = 8,448,541,919.18/106,100.80
  6. Step 6: Final answer
    x = 79,627.50

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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.