Home / 105,764.67-145,954.31-58,018.01

Finding the Fourth Proportional to 105,764.67, 145,954.31 and 58,018.01

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Solution

The fourth proportional to 105,764.67, 145,954.31 and 58,018.01 is: 80,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,764.67 : 145,954.31 = 58,018.01 : x
  2. Step 2: Convert to fraction form
    105,764.67/145,954.31 = 58,018.01/x
  3. Step 3: Cross multiply
    105,764.67x = 145,954.31 × 58,018.01
  4. Step 4: Simplify right side
    105,764.67x = 8,467,977,597.26
  5. Step 5: Solve for x
    x = 8,467,977,597.26/105,764.67
  6. Step 6: Final answer
    x = 80,064.33

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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.