Home / 122,271.18-168,732.07-68,556.03

Finding the Fourth Proportional to 122,271.18, 168,732.07 and 68,556.03

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Solution

The fourth proportional to 122,271.18, 168,732.07 and 68,556.03 is: 94,606.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,271.18 : 168,732.07 = 68,556.03 : x
  2. Step 2: Convert to fraction form
    122,271.18/168,732.07 = 68,556.03/x
  3. Step 3: Cross multiply
    122,271.18x = 168,732.07 × 68,556.03
  4. Step 4: Simplify right side
    122,271.18x = 11,567,600,681.49
  5. Step 5: Solve for x
    x = 11,567,600,681.49/122,271.18
  6. Step 6: Final answer
    x = 94,606.11

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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.