Home / 113,704.76-156,912.72-62,716.34

Finding the Fourth Proportional to 113,704.76, 156,912.72 and 62,716.34

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Solution

The fourth proportional to 113,704.76, 156,912.72 and 62,716.34 is: 86,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,704.76 : 156,912.72 = 62,716.34 : x
  2. Step 2: Convert to fraction form
    113,704.76/156,912.72 = 62,716.34/x
  3. Step 3: Cross multiply
    113,704.76x = 156,912.72 × 62,716.34
  4. Step 4: Simplify right side
    113,704.76x = 9,840,991,497.84
  5. Step 5: Solve for x
    x = 9,840,991,497.84/113,704.76
  6. Step 6: Final answer
    x = 86,548.63

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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.