Home / 115,628.40-173,458.80-36,734.40

Finding the Fourth Proportional to 115,628.40, 173,458.80 and 36,734.40

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Solution

The fourth proportional to 115,628.40, 173,458.80 and 36,734.40 is: 55,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,628.40 : 173,458.80 = 36,734.40 : x
  2. Step 2: Convert to fraction form
    115,628.40/173,458.80 = 36,734.40/x
  3. Step 3: Cross multiply
    115,628.40x = 173,458.80 × 36,734.40
  4. Step 4: Simplify right side
    115,628.40x = 6,371,904,942.72
  5. Step 5: Solve for x
    x = 6,371,904,942.72/115,628.40
  6. Step 6: Final answer
    x = 55,106.75

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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.