Home / 108,459.21-162,629.28-33,558.51

Finding the Fourth Proportional to 108,459.21, 162,629.28 and 33,558.51

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Solution

The fourth proportional to 108,459.21, 162,629.28 and 33,558.51 is: 50,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,459.21 : 162,629.28 = 33,558.51 : x
  2. Step 2: Convert to fraction form
    108,459.21/162,629.28 = 33,558.51/x
  3. Step 3: Cross multiply
    108,459.21x = 162,629.28 × 33,558.51
  4. Step 4: Simplify right side
    108,459.21x = 5,457,596,319.17
  5. Step 5: Solve for x
    x = 5,457,596,319.17/108,459.21
  6. Step 6: Final answer
    x = 50,319.34

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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.