Home / 121,846.86-182,751.39-47,002.05

Finding the Fourth Proportional to 121,846.86, 182,751.39 and 47,002.05

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Solution

The fourth proportional to 121,846.86, 182,751.39 and 47,002.05 is: 70,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,846.86 : 182,751.39 = 47,002.05 : x
  2. Step 2: Convert to fraction form
    121,846.86/182,751.39 = 47,002.05/x
  3. Step 3: Cross multiply
    121,846.86x = 182,751.39 × 47,002.05
  4. Step 4: Simplify right side
    121,846.86x = 8,589,689,970.35
  5. Step 5: Solve for x
    x = 8,589,689,970.35/121,846.86
  6. Step 6: Final answer
    x = 70,495.78

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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.