Home / 121,709.89-182,562.86-46,846.30

Finding the Fourth Proportional to 121,709.89, 182,562.86 and 46,846.30

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Solution

The fourth proportional to 121,709.89, 182,562.86 and 46,846.30 is: 70,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,709.89 : 182,562.86 = 46,846.30 : x
  2. Step 2: Convert to fraction form
    121,709.89/182,562.86 = 46,846.30/x
  3. Step 3: Cross multiply
    121,709.89x = 182,562.86 × 46,846.30
  4. Step 4: Simplify right side
    121,709.89x = 8,552,394,511.43
  5. Step 5: Solve for x
    x = 8,552,394,511.43/121,709.89
  6. Step 6: Final answer
    x = 70,268.69

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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.