Home / 120,804.08-181,126.14-57,633.95

Finding the Fourth Proportional to 120,804.08, 181,126.14 and 57,633.95

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Solution

The fourth proportional to 120,804.08, 181,126.14 and 57,633.95 is: 86,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,804.08 : 181,126.14 = 57,633.95 : x
  2. Step 2: Convert to fraction form
    120,804.08/181,126.14 = 57,633.95/x
  3. Step 3: Cross multiply
    120,804.08x = 181,126.14 × 57,633.95
  4. Step 4: Simplify right side
    120,804.08x = 10,439,014,896.45
  5. Step 5: Solve for x
    x = 10,439,014,896.45/120,804.08
  6. Step 6: Final answer
    x = 86,412.77

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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.