Home / 122,022.44-168,386.04-71,036.63

Finding the Fourth Proportional to 122,022.44, 168,386.04 and 71,036.63

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Solution

The fourth proportional to 122,022.44, 168,386.04 and 71,036.63 is: 98,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,022.44 : 168,386.04 = 71,036.63 : x
  2. Step 2: Convert to fraction form
    122,022.44/168,386.04 = 71,036.63/x
  3. Step 3: Cross multiply
    122,022.44x = 168,386.04 × 71,036.63
  4. Step 4: Simplify right side
    122,022.44x = 11,961,575,978.72
  5. Step 5: Solve for x
    x = 11,961,575,978.72/122,022.44
  6. Step 6: Final answer
    x = 98,027.68

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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.