Home / 108,541.84-162,619.44-66,401.32

Finding the Fourth Proportional to 108,541.84, 162,619.44 and 66,401.32

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Solution

The fourth proportional to 108,541.84, 162,619.44 and 66,401.32 is: 99,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.84 : 162,619.44 = 66,401.32 : x
  2. Step 2: Convert to fraction form
    108,541.84/162,619.44 = 66,401.32/x
  3. Step 3: Cross multiply
    108,541.84x = 162,619.44 × 66,401.32
  4. Step 4: Simplify right side
    108,541.84x = 10,798,145,473.66
  5. Step 5: Solve for x
    x = 10,798,145,473.66/108,541.84
  6. Step 6: Final answer
    x = 99,483.71

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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.