Home / 101,290.44-139,771.38-58,848.36

Finding the Fourth Proportional to 101,290.44, 139,771.38 and 58,848.36

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Solution

The fourth proportional to 101,290.44, 139,771.38 and 58,848.36 is: 81,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,290.44 : 139,771.38 = 58,848.36 : x
  2. Step 2: Convert to fraction form
    101,290.44/139,771.38 = 58,848.36/x
  3. Step 3: Cross multiply
    101,290.44x = 139,771.38 × 58,848.36
  4. Step 4: Simplify right side
    101,290.44x = 8,225,316,487.94
  5. Step 5: Solve for x
    x = 8,225,316,487.94/101,290.44
  6. Step 6: Final answer
    x = 81,205.26

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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.