Home / 67,362.18-100,977.21-57,389.46

Finding the Fourth Proportional to 67,362.18, 100,977.21 and 57,389.46

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Solution

The fourth proportional to 67,362.18, 100,977.21 and 57,389.46 is: 86,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,362.18 : 100,977.21 = 57,389.46 : x
  2. Step 2: Convert to fraction form
    67,362.18/100,977.21 = 57,389.46/x
  3. Step 3: Cross multiply
    67,362.18x = 100,977.21 × 57,389.46
  4. Step 4: Simplify right side
    67,362.18x = 5,795,027,554.21
  5. Step 5: Solve for x
    x = 5,795,027,554.21/67,362.18
  6. Step 6: Final answer
    x = 86,027.91

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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.