Home / 124,903.22-172,367.80-68,313.38

Finding the Fourth Proportional to 124,903.22, 172,367.80 and 68,313.38

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Solution

The fourth proportional to 124,903.22, 172,367.80 and 68,313.38 is: 94,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,903.22 : 172,367.80 = 68,313.38 : x
  2. Step 2: Convert to fraction form
    124,903.22/172,367.80 = 68,313.38/x
  3. Step 3: Cross multiply
    124,903.22x = 172,367.80 × 68,313.38
  4. Step 4: Simplify right side
    124,903.22x = 11,775,025,988.54
  5. Step 5: Solve for x
    x = 11,775,025,988.54/124,903.22
  6. Step 6: Final answer
    x = 94,273.20

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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.