Home / 105,748.20-158,643.90-35,634.60

Finding the Fourth Proportional to 105,748.20, 158,643.90 and 35,634.60

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Solution

The fourth proportional to 105,748.20, 158,643.90 and 35,634.60 is: 53,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,748.20 : 158,643.90 = 35,634.60 : x
  2. Step 2: Convert to fraction form
    105,748.20/158,643.90 = 35,634.60/x
  3. Step 3: Cross multiply
    105,748.20x = 158,643.90 × 35,634.60
  4. Step 4: Simplify right side
    105,748.20x = 5,653,211,918.94
  5. Step 5: Solve for x
    x = 5,653,211,918.94/105,748.20
  6. Step 6: Final answer
    x = 53,459.18

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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.