Home / 103,620.06-142,994.26-60,629.11

Finding the Fourth Proportional to 103,620.06, 142,994.26 and 60,629.11

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Solution

The fourth proportional to 103,620.06, 142,994.26 and 60,629.11 is: 83,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,620.06 : 142,994.26 = 60,629.11 : x
  2. Step 2: Convert to fraction form
    103,620.06/142,994.26 = 60,629.11/x
  3. Step 3: Cross multiply
    103,620.06x = 142,994.26 × 60,629.11
  4. Step 4: Simplify right side
    103,620.06x = 8,669,614,437.21
  5. Step 5: Solve for x
    x = 8,669,614,437.21/103,620.06
  6. Step 6: Final answer
    x = 83,667.34

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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.