Home / 106,019.35-146,307.83-57,621.28

Finding the Fourth Proportional to 106,019.35, 146,307.83 and 57,621.28

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Solution

The fourth proportional to 106,019.35, 146,307.83 and 57,621.28 is: 79,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,019.35 : 146,307.83 = 57,621.28 : x
  2. Step 2: Convert to fraction form
    106,019.35/146,307.83 = 57,621.28/x
  3. Step 3: Cross multiply
    106,019.35x = 146,307.83 × 57,621.28
  4. Step 4: Simplify right side
    106,019.35x = 8,430,444,438.62
  5. Step 5: Solve for x
    x = 8,430,444,438.62/106,019.35
  6. Step 6: Final answer
    x = 79,517.98

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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.