Home / 81,652.64-122,526.22-34,263.50

Finding the Fourth Proportional to 81,652.64, 122,526.22 and 34,263.50

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Solution

The fourth proportional to 81,652.64, 122,526.22 and 34,263.50 is: 51,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652.64 : 122,526.22 = 34,263.50 : x
  2. Step 2: Convert to fraction form
    81,652.64/122,526.22 = 34,263.50/x
  3. Step 3: Cross multiply
    81,652.64x = 122,526.22 × 34,263.50
  4. Step 4: Simplify right side
    81,652.64x = 4,198,177,138.97
  5. Step 5: Solve for x
    x = 4,198,177,138.97/81,652.64
  6. Step 6: Final answer
    x = 51,415.08

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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.