Home / 68,543.16-102,816.77-18,623.00

Finding the Fourth Proportional to 68,543.16, 102,816.77 and 18,623.00

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Solution

The fourth proportional to 68,543.16, 102,816.77 and 18,623.00 is: 27,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,543.16 : 102,816.77 = 18,623.00 : x
  2. Step 2: Convert to fraction form
    68,543.16/102,816.77 = 18,623.00/x
  3. Step 3: Cross multiply
    68,543.16x = 102,816.77 × 18,623.00
  4. Step 4: Simplify right side
    68,543.16x = 1,914,756,100.51
  5. Step 5: Solve for x
    x = 1,914,756,100.51/68,543.16
  6. Step 6: Final answer
    x = 27,935.04

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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.