Home / 105,768.60-158,660.10-33,715.80

Finding the Fourth Proportional to 105,768.60, 158,660.10 and 33,715.80

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Solution

The fourth proportional to 105,768.60, 158,660.10 and 33,715.80 is: 50,576.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,768.60 : 158,660.10 = 33,715.80 : x
  2. Step 2: Convert to fraction form
    105,768.60/158,660.10 = 33,715.80/x
  3. Step 3: Cross multiply
    105,768.60x = 158,660.10 × 33,715.80
  4. Step 4: Simplify right side
    105,768.60x = 5,349,352,199.58
  5. Step 5: Solve for x
    x = 5,349,352,199.58/105,768.60
  6. Step 6: Final answer
    x = 50,576.00

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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.