Home / 101,883.32-140,600.62-57,170.36

Finding the Fourth Proportional to 101,883.32, 140,600.62 and 57,170.36

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Solution

The fourth proportional to 101,883.32, 140,600.62 and 57,170.36 is: 78,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,883.32 : 140,600.62 = 57,170.36 : x
  2. Step 2: Convert to fraction form
    101,883.32/140,600.62 = 57,170.36/x
  3. Step 3: Cross multiply
    101,883.32x = 140,600.62 × 57,170.36
  4. Step 4: Simplify right side
    101,883.32x = 8,038,188,061.62
  5. Step 5: Solve for x
    x = 8,038,188,061.62/101,883.32
  6. Step 6: Final answer
    x = 78,896.02

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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.