Home / 108,836.99-163,285.03-45,623.88

Finding the Fourth Proportional to 108,836.99, 163,285.03 and 45,623.88

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Solution

The fourth proportional to 108,836.99, 163,285.03 and 45,623.88 is: 68,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,836.99 : 163,285.03 = 45,623.88 : x
  2. Step 2: Convert to fraction form
    108,836.99/163,285.03 = 45,623.88/x
  3. Step 3: Cross multiply
    108,836.99x = 163,285.03 × 45,623.88
  4. Step 4: Simplify right side
    108,836.99x = 7,449,696,614.52
  5. Step 5: Solve for x
    x = 7,449,696,614.52/108,836.99
  6. Step 6: Final answer
    x = 68,448.21

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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.