Home / 112,711.84-169,040.32-37,812.56

Finding the Fourth Proportional to 112,711.84, 169,040.32 and 37,812.56

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Solution

The fourth proportional to 112,711.84, 169,040.32 and 37,812.56 is: 56,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,711.84 : 169,040.32 = 37,812.56 : x
  2. Step 2: Convert to fraction form
    112,711.84/169,040.32 = 37,812.56/x
  3. Step 3: Cross multiply
    112,711.84x = 169,040.32 × 37,812.56
  4. Step 4: Simplify right side
    112,711.84x = 6,391,846,302.69
  5. Step 5: Solve for x
    x = 6,391,846,302.69/112,711.84
  6. Step 6: Final answer
    x = 56,709.63

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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.