Home / 126,477.38-174,536.37-69,887.54

Finding the Fourth Proportional to 126,477.38, 174,536.37 and 69,887.54

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Solution

The fourth proportional to 126,477.38, 174,536.37 and 69,887.54 is: 96,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,477.38 : 174,536.37 = 69,887.54 : x
  2. Step 2: Convert to fraction form
    126,477.38/174,536.37 = 69,887.54/x
  3. Step 3: Cross multiply
    126,477.38x = 174,536.37 × 69,887.54
  4. Step 4: Simplify right side
    126,477.38x = 12,197,917,539.83
  5. Step 5: Solve for x
    x = 12,197,917,539.83/126,477.38
  6. Step 6: Final answer
    x = 96,443.47

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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.