Home / 112,448.28-168,589.34-53,214.60

Finding the Fourth Proportional to 112,448.28, 168,589.34 and 53,214.60

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Solution

The fourth proportional to 112,448.28, 168,589.34 and 53,214.60 is: 79,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,448.28 : 168,589.34 = 53,214.60 : x
  2. Step 2: Convert to fraction form
    112,448.28/168,589.34 = 53,214.60/x
  3. Step 3: Cross multiply
    112,448.28x = 168,589.34 × 53,214.60
  4. Step 4: Simplify right side
    112,448.28x = 8,971,414,425.40
  5. Step 5: Solve for x
    x = 8,971,414,425.40/112,448.28
  6. Step 6: Final answer
    x = 79,782.58

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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.