Home / 105,909.72-158,622.66-50,544.60

Finding the Fourth Proportional to 105,909.72, 158,622.66 and 50,544.60

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Solution

The fourth proportional to 105,909.72, 158,622.66 and 50,544.60 is: 75,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,909.72 : 158,622.66 = 50,544.60 : x
  2. Step 2: Convert to fraction form
    105,909.72/158,622.66 = 50,544.60/x
  3. Step 3: Cross multiply
    105,909.72x = 158,622.66 × 50,544.60
  4. Step 4: Simplify right side
    105,909.72x = 8,017,518,900.64
  5. Step 5: Solve for x
    x = 8,017,518,900.64/105,909.72
  6. Step 6: Final answer
    x = 75,701.45

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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.