Home / 124,208-171,450.24-73,905.92

Finding the Fourth Proportional to 124,208, 171,450.24 and 73,905.92

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Solution

The fourth proportional to 124,208, 171,450.24 and 73,905.92 is: 102,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,208 : 171,450.24 = 73,905.92 : x
  2. Step 2: Convert to fraction form
    124,208/171,450.24 = 73,905.92/x
  3. Step 3: Cross multiply
    124,208x = 171,450.24 × 73,905.92
  4. Step 4: Simplify right side
    124,208x = 12,671,187,721.42
  5. Step 5: Solve for x
    x = 12,671,187,721.42/124,208
  6. Step 6: Final answer
    x = 102,015.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.