Home / 88,146.37-121,629.75-51,849.46

Finding the Fourth Proportional to 88,146.37, 121,629.75 and 51,849.46

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Solution

The fourth proportional to 88,146.37, 121,629.75 and 51,849.46 is: 71,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,146.37 : 121,629.75 = 51,849.46 : x
  2. Step 2: Convert to fraction form
    88,146.37/121,629.75 = 51,849.46/x
  3. Step 3: Cross multiply
    88,146.37x = 121,629.75 × 51,849.46
  4. Step 4: Simplify right side
    88,146.37x = 6,306,436,857.44
  5. Step 5: Solve for x
    x = 6,306,436,857.44/88,146.37
  6. Step 6: Final answer
    x = 71,545.05

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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.