Home / 106,709.41-147,327.69-68,485.42

Finding the Fourth Proportional to 106,709.41, 147,327.69 and 68,485.42

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Solution

The fourth proportional to 106,709.41, 147,327.69 and 68,485.42 is: 94,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,709.41 : 147,327.69 = 68,485.42 : x
  2. Step 2: Convert to fraction form
    106,709.41/147,327.69 = 68,485.42/x
  3. Step 3: Cross multiply
    106,709.41x = 147,327.69 × 68,485.42
  4. Step 4: Simplify right side
    106,709.41x = 10,089,798,727.28
  5. Step 5: Solve for x
    x = 10,089,798,727.28/106,709.41
  6. Step 6: Final answer
    x = 94,553.97

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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.