Home / 121,921.82-182,898.30-47,063.37

Finding the Fourth Proportional to 121,921.82, 182,898.30 and 47,063.37

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Solution

The fourth proportional to 121,921.82, 182,898.30 and 47,063.37 is: 70,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,921.82 : 182,898.30 = 47,063.37 : x
  2. Step 2: Convert to fraction form
    121,921.82/182,898.30 = 47,063.37/x
  3. Step 3: Cross multiply
    121,921.82x = 182,898.30 × 47,063.37
  4. Step 4: Simplify right side
    121,921.82x = 8,607,810,482.93
  5. Step 5: Solve for x
    x = 8,607,810,482.93/121,921.82
  6. Step 6: Final answer
    x = 70,601.07

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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.