Home / 108,966.99-163,459.89-30,081.23

Finding the Fourth Proportional to 108,966.99, 163,459.89 and 30,081.23

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Solution

The fourth proportional to 108,966.99, 163,459.89 and 30,081.23 is: 45,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,966.99 : 163,459.89 = 30,081.23 : x
  2. Step 2: Convert to fraction form
    108,966.99/163,459.89 = 30,081.23/x
  3. Step 3: Cross multiply
    108,966.99x = 163,459.89 × 30,081.23
  4. Step 4: Simplify right side
    108,966.99x = 4,917,073,729.57
  5. Step 5: Solve for x
    x = 4,917,073,729.57/108,966.99
  6. Step 6: Final answer
    x = 45,124.43

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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.