Home / 101,643.14-152,558.34-51,759.20

Finding the Fourth Proportional to 101,643.14, 152,558.34 and 51,759.20

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Solution

The fourth proportional to 101,643.14, 152,558.34 and 51,759.20 is: 77,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,643.14 : 152,558.34 = 51,759.20 : x
  2. Step 2: Convert to fraction form
    101,643.14/152,558.34 = 51,759.20/x
  3. Step 3: Cross multiply
    101,643.14x = 152,558.34 × 51,759.20
  4. Step 4: Simplify right side
    101,643.14x = 7,896,297,631.73
  5. Step 5: Solve for x
    x = 7,896,297,631.73/101,643.14
  6. Step 6: Final answer
    x = 77,686.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.