Home / 108,943.16-163,424.16-30,057.39

Finding the Fourth Proportional to 108,943.16, 163,424.16 and 30,057.39

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Solution

The fourth proportional to 108,943.16, 163,424.16 and 30,057.39 is: 45,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.16 : 163,424.16 = 30,057.39 : x
  2. Step 2: Convert to fraction form
    108,943.16/163,424.16 = 30,057.39/x
  3. Step 3: Cross multiply
    108,943.16x = 163,424.16 × 30,057.39
  4. Step 4: Simplify right side
    108,943.16x = 4,912,103,712.54
  5. Step 5: Solve for x
    x = 4,912,103,712.54/108,943.16
  6. Step 6: Final answer
    x = 45,088.69

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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.