Home / 101,383.22-139,907.39-56,060.21

Finding the Fourth Proportional to 101,383.22, 139,907.39 and 56,060.21

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Solution

The fourth proportional to 101,383.22, 139,907.39 and 56,060.21 is: 77,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,383.22 : 139,907.39 = 56,060.21 : x
  2. Step 2: Convert to fraction form
    101,383.22/139,907.39 = 56,060.21/x
  3. Step 3: Cross multiply
    101,383.22x = 139,907.39 × 56,060.21
  4. Step 4: Simplify right side
    101,383.22x = 7,843,237,383.65
  5. Step 5: Solve for x
    x = 7,843,237,383.65/101,383.22
  6. Step 6: Final answer
    x = 77,362.28

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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.