Home / 81,526.02-122,289.21-22,362.54

Finding the Fourth Proportional to 81,526.02, 122,289.21 and 22,362.54

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Solution

The fourth proportional to 81,526.02, 122,289.21 and 22,362.54 is: 33,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,526.02 : 122,289.21 = 22,362.54 : x
  2. Step 2: Convert to fraction form
    81,526.02/122,289.21 = 22,362.54/x
  3. Step 3: Cross multiply
    81,526.02x = 122,289.21 × 22,362.54
  4. Step 4: Simplify right side
    81,526.02x = 2,734,697,350.19
  5. Step 5: Solve for x
    x = 2,734,697,350.19/81,526.02
  6. Step 6: Final answer
    x = 33,543.86

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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.