Home / 112,039.20-167,989.86-55,040.58

Finding the Fourth Proportional to 112,039.20, 167,989.86 and 55,040.58

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Solution

The fourth proportional to 112,039.20, 167,989.86 and 55,040.58 is: 82,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.20 : 167,989.86 = 55,040.58 : x
  2. Step 2: Convert to fraction form
    112,039.20/167,989.86 = 55,040.58/x
  3. Step 3: Cross multiply
    112,039.20x = 167,989.86 × 55,040.58
  4. Step 4: Simplify right side
    112,039.20x = 9,246,259,328.52
  5. Step 5: Solve for x
    x = 9,246,259,328.52/112,039.20
  6. Step 6: Final answer
    x = 82,527.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.