Home / 81,749.34-122,622.80-22,583.70

Finding the Fourth Proportional to 81,749.34, 122,622.80 and 22,583.70

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Solution

The fourth proportional to 81,749.34, 122,622.80 and 22,583.70 is: 33,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,749.34 : 122,622.80 = 22,583.70 : x
  2. Step 2: Convert to fraction form
    81,749.34/122,622.80 = 22,583.70/x
  3. Step 3: Cross multiply
    81,749.34x = 122,622.80 × 22,583.70
  4. Step 4: Simplify right side
    81,749.34x = 2,769,276,415.44
  5. Step 5: Solve for x
    x = 2,769,276,415.44/81,749.34
  6. Step 6: Final answer
    x = 33,875.21

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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.