Home / 124,351.18-171,604.50-67,762.54

Finding the Fourth Proportional to 124,351.18, 171,604.50 and 67,762.54

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Solution

The fourth proportional to 124,351.18, 171,604.50 and 67,762.54 is: 93,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,351.18 : 171,604.50 = 67,762.54 : x
  2. Step 2: Convert to fraction form
    124,351.18/171,604.50 = 67,762.54/x
  3. Step 3: Cross multiply
    124,351.18x = 171,604.50 × 67,762.54
  4. Step 4: Simplify right side
    124,351.18x = 11,628,356,795.43
  5. Step 5: Solve for x
    x = 11,628,356,795.43/124,351.18
  6. Step 6: Final answer
    x = 93,512.24

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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.