Home / 106,396.76-146,825.72-57,999.20

Finding the Fourth Proportional to 106,396.76, 146,825.72 and 57,999.20

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Solution

The fourth proportional to 106,396.76, 146,825.72 and 57,999.20 is: 80,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,396.76 : 146,825.72 = 57,999.20 : x
  2. Step 2: Convert to fraction form
    106,396.76/146,825.72 = 57,999.20/x
  3. Step 3: Cross multiply
    106,396.76x = 146,825.72 × 57,999.20
  4. Step 4: Simplify right side
    106,396.76x = 8,515,774,299.42
  5. Step 5: Solve for x
    x = 8,515,774,299.42/106,396.76
  6. Step 6: Final answer
    x = 80,037.91

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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.