Home / 122,461.77-168,985.69-68,736.30

Finding the Fourth Proportional to 122,461.77, 168,985.69 and 68,736.30

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Solution

The fourth proportional to 122,461.77, 168,985.69 and 68,736.30 is: 94,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,461.77 : 168,985.69 = 68,736.30 : x
  2. Step 2: Convert to fraction form
    122,461.77/168,985.69 = 68,736.30/x
  3. Step 3: Cross multiply
    122,461.77x = 168,985.69 × 68,736.30
  4. Step 4: Simplify right side
    122,461.77x = 11,615,450,664.65
  5. Step 5: Solve for x
    x = 11,615,450,664.65/122,461.77
  6. Step 6: Final answer
    x = 94,849.60

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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.