Home / 109,147.11-163,783.44-45,962.25

Finding the Fourth Proportional to 109,147.11, 163,783.44 and 45,962.25

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Solution

The fourth proportional to 109,147.11, 163,783.44 and 45,962.25 is: 68,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,147.11 : 163,783.44 = 45,962.25 : x
  2. Step 2: Convert to fraction form
    109,147.11/163,783.44 = 45,962.25/x
  3. Step 3: Cross multiply
    109,147.11x = 163,783.44 × 45,962.25
  4. Step 4: Simplify right side
    109,147.11x = 7,527,855,415.14
  5. Step 5: Solve for x
    x = 7,527,855,415.14/109,147.11
  6. Step 6: Final answer
    x = 68,969.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.