Home / 119,815.51-179,759.72-56,684.11

Finding the Fourth Proportional to 119,815.51, 179,759.72 and 56,684.11

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Solution

The fourth proportional to 119,815.51, 179,759.72 and 56,684.11 is: 85,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815.51 : 179,759.72 = 56,684.11 : x
  2. Step 2: Convert to fraction form
    119,815.51/179,759.72 = 56,684.11/x
  3. Step 3: Cross multiply
    119,815.51x = 179,759.72 × 56,684.11
  4. Step 4: Simplify right side
    119,815.51x = 10,189,519,458.63
  5. Step 5: Solve for x
    x = 10,189,519,458.63/119,815.51
  6. Step 6: Final answer
    x = 85,043.41

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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.