Home / 106,099.80-146,415.07-57,701.15

Finding the Fourth Proportional to 106,099.80, 146,415.07 and 57,701.15

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Solution

The fourth proportional to 106,099.80, 146,415.07 and 57,701.15 is: 79,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,099.80 : 146,415.07 = 57,701.15 : x
  2. Step 2: Convert to fraction form
    106,099.80/146,415.07 = 57,701.15/x
  3. Step 3: Cross multiply
    106,099.80x = 146,415.07 × 57,701.15
  4. Step 4: Simplify right side
    106,099.80x = 8,448,317,916.33
  5. Step 5: Solve for x
    x = 8,448,317,916.33/106,099.80
  6. Step 6: Final answer
    x = 79,626.14

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1.5x scale

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.