Home / 124,650.84-171,958.40-90,606.56

Finding the Fourth Proportional to 124,650.84, 171,958.40 and 90,606.56

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Solution

The fourth proportional to 124,650.84, 171,958.40 and 90,606.56 is: 124,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,650.84 : 171,958.40 = 90,606.56 : x
  2. Step 2: Convert to fraction form
    124,650.84/171,958.40 = 90,606.56/x
  3. Step 3: Cross multiply
    124,650.84x = 171,958.40 × 90,606.56
  4. Step 4: Simplify right side
    124,650.84x = 15,580,559,087.10
  5. Step 5: Solve for x
    x = 15,580,559,087.10/124,650.84
  6. Step 6: Final answer
    x = 124,993.61

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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.