Home / 81,450.24-122,200.80-24,526.40

Finding the Fourth Proportional to 81,450.24, 122,200.80 and 24,526.40

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Solution

The fourth proportional to 81,450.24, 122,200.80 and 24,526.40 is: 36,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,450.24 : 122,200.80 = 24,526.40 : x
  2. Step 2: Convert to fraction form
    81,450.24/122,200.80 = 24,526.40/x
  3. Step 3: Cross multiply
    81,450.24x = 122,200.80 × 24,526.40
  4. Step 4: Simplify right side
    81,450.24x = 2,997,145,701.12
  5. Step 5: Solve for x
    x = 2,997,145,701.12/81,450.24
  6. Step 6: Final answer
    x = 36,797.26

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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.