Home / 81,898.24-122,877.38-34,525.24

Finding the Fourth Proportional to 81,898.24, 122,877.38 and 34,525.24

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Solution

The fourth proportional to 81,898.24, 122,877.38 and 34,525.24 is: 51,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,898.24 : 122,877.38 = 34,525.24 : x
  2. Step 2: Convert to fraction form
    81,898.24/122,877.38 = 34,525.24/x
  3. Step 3: Cross multiply
    81,898.24x = 122,877.38 × 34,525.24
  4. Step 4: Simplify right side
    81,898.24x = 4,242,371,035.07
  5. Step 5: Solve for x
    x = 4,242,371,035.07/81,898.24
  6. Step 6: Final answer
    x = 51,800.52

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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.