Home / 115,322.34-172,982.47-36,436.56

Finding the Fourth Proportional to 115,322.34, 172,982.47 and 36,436.56

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Solution

The fourth proportional to 115,322.34, 172,982.47 and 36,436.56 is: 54,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,322.34 : 172,982.47 = 36,436.56 : x
  2. Step 2: Convert to fraction form
    115,322.34/172,982.47 = 36,436.56/x
  3. Step 3: Cross multiply
    115,322.34x = 172,982.47 × 36,436.56
  4. Step 4: Simplify right side
    115,322.34x = 6,302,886,147.10
  5. Step 5: Solve for x
    x = 6,302,886,147.10/115,322.34
  6. Step 6: Final answer
    x = 54,654.51

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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.