Home / 120,977.08-181,307.94-61,762.84

Finding the Fourth Proportional to 120,977.08, 181,307.94 and 61,762.84

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Solution

The fourth proportional to 120,977.08, 181,307.94 and 61,762.84 is: 92,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,977.08 : 181,307.94 = 61,762.84 : x
  2. Step 2: Convert to fraction form
    120,977.08/181,307.94 = 61,762.84/x
  3. Step 3: Cross multiply
    120,977.08x = 181,307.94 × 61,762.84
  4. Step 4: Simplify right side
    120,977.08x = 11,198,093,288.95
  5. Step 5: Solve for x
    x = 11,198,093,288.95/120,977.08
  6. Step 6: Final answer
    x = 92,563.76

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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.