Home / 115,412.19-173,100.90-36,516.15

Finding the Fourth Proportional to 115,412.19, 173,100.90 and 36,516.15

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Solution

The fourth proportional to 115,412.19, 173,100.90 and 36,516.15 is: 54,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,412.19 : 173,100.90 = 36,516.15 : x
  2. Step 2: Convert to fraction form
    115,412.19/173,100.90 = 36,516.15/x
  3. Step 3: Cross multiply
    115,412.19x = 173,100.90 × 36,516.15
  4. Step 4: Simplify right side
    115,412.19x = 6,320,978,429.54
  5. Step 5: Solve for x
    x = 6,320,978,429.54/115,412.19
  6. Step 6: Final answer
    x = 54,768.72

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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.