Home / 108,899.56-163,272.54-42,284.20

Finding the Fourth Proportional to 108,899.56, 163,272.54 and 42,284.20

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Solution

The fourth proportional to 108,899.56, 163,272.54 and 42,284.20 is: 63,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,899.56 : 163,272.54 = 42,284.20 : x
  2. Step 2: Convert to fraction form
    108,899.56/163,272.54 = 42,284.20/x
  3. Step 3: Cross multiply
    108,899.56x = 163,272.54 × 42,284.20
  4. Step 4: Simplify right side
    108,899.56x = 6,903,848,735.87
  5. Step 5: Solve for x
    x = 6,903,848,735.87/108,899.56
  6. Step 6: Final answer
    x = 63,396.48

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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.