Home / 97,790.44-134,940.16-55,340.52

Finding the Fourth Proportional to 97,790.44, 134,940.16 and 55,340.52

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Solution

The fourth proportional to 97,790.44, 134,940.16 and 55,340.52 is: 76,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,790.44 : 134,940.16 = 55,340.52 : x
  2. Step 2: Convert to fraction form
    97,790.44/134,940.16 = 55,340.52/x
  3. Step 3: Cross multiply
    97,790.44x = 134,940.16 × 55,340.52
  4. Step 4: Simplify right side
    97,790.44x = 7,467,658,623.28
  5. Step 5: Solve for x
    x = 7,467,658,623.28/97,790.44
  6. Step 6: Final answer
    x = 76,363.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.