Home / 76,019.41-104,912.09-42,028.93

Finding the Fourth Proportional to 76,019.41, 104,912.09 and 42,028.93

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Solution

The fourth proportional to 76,019.41, 104,912.09 and 42,028.93 is: 58,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,019.41 : 104,912.09 = 42,028.93 : x
  2. Step 2: Convert to fraction form
    76,019.41/104,912.09 = 42,028.93/x
  3. Step 3: Cross multiply
    76,019.41x = 104,912.09 × 42,028.93
  4. Step 4: Simplify right side
    76,019.41x = 4,409,342,467.28
  5. Step 5: Solve for x
    x = 4,409,342,467.28/76,019.41
  6. Step 6: Final answer
    x = 58,002.85

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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.