Home / 108,943.28-163,424.33-30,057.51

Finding the Fourth Proportional to 108,943.28, 163,424.33 and 30,057.51

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Solution

The fourth proportional to 108,943.28, 163,424.33 and 30,057.51 is: 45,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.28 : 163,424.33 = 30,057.51 : x
  2. Step 2: Convert to fraction form
    108,943.28/163,424.33 = 30,057.51/x
  3. Step 3: Cross multiply
    108,943.28x = 163,424.33 × 30,057.51
  4. Step 4: Simplify right side
    108,943.28x = 4,912,128,433.22
  5. Step 5: Solve for x
    x = 4,912,128,433.22/108,943.28
  6. Step 6: Final answer
    x = 45,088.86

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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.