Home / 100,909.04-151,363.58-41,679.60

Finding the Fourth Proportional to 100,909.04, 151,363.58 and 41,679.60

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Solution

The fourth proportional to 100,909.04, 151,363.58 and 41,679.60 is: 62,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,909.04 : 151,363.58 = 41,679.60 : x
  2. Step 2: Convert to fraction form
    100,909.04/151,363.58 = 41,679.60/x
  3. Step 3: Cross multiply
    100,909.04x = 151,363.58 × 41,679.60
  4. Step 4: Simplify right side
    100,909.04x = 6,308,773,468.97
  5. Step 5: Solve for x
    x = 6,308,773,468.97/100,909.04
  6. Step 6: Final answer
    x = 62,519.41

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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.