Home / 124,440.21-171,728.37-67,851.54

Finding the Fourth Proportional to 124,440.21, 171,728.37 and 67,851.54

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Solution

The fourth proportional to 124,440.21, 171,728.37 and 67,851.54 is: 93,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,440.21 : 171,728.37 = 67,851.54 : x
  2. Step 2: Convert to fraction form
    124,440.21/171,728.37 = 67,851.54/x
  3. Step 3: Cross multiply
    124,440.21x = 171,728.37 × 67,851.54
  4. Step 4: Simplify right side
    124,440.21x = 11,652,034,366.19
  5. Step 5: Solve for x
    x = 11,652,034,366.19/124,440.21
  6. Step 6: Final answer
    x = 93,635.61

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1.5x scale

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.