Home / 57,700.16-86,553.39-18,254.34

Finding the Fourth Proportional to 57,700.16, 86,553.39 and 18,254.34

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Solution

The fourth proportional to 57,700.16, 86,553.39 and 18,254.34 is: 27,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.16 : 86,553.39 = 18,254.34 : x
  2. Step 2: Convert to fraction form
    57,700.16/86,553.39 = 18,254.34/x
  3. Step 3: Cross multiply
    57,700.16x = 86,553.39 × 18,254.34
  4. Step 4: Simplify right side
    57,700.16x = 1,579,975,009.21
  5. Step 5: Solve for x
    x = 1,579,975,009.21/57,700.16
  6. Step 6: Final answer
    x = 27,382.51

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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.