Home / 112,955.27-169,427.78-49,758.48

Finding the Fourth Proportional to 112,955.27, 169,427.78 and 49,758.48

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Solution

The fourth proportional to 112,955.27, 169,427.78 and 49,758.48 is: 74,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,955.27 : 169,427.78 = 49,758.48 : x
  2. Step 2: Convert to fraction form
    112,955.27/169,427.78 = 49,758.48/x
  3. Step 3: Cross multiply
    112,955.27x = 169,427.78 × 49,758.48
  4. Step 4: Simplify right side
    112,955.27x = 8,430,468,553.78
  5. Step 5: Solve for x
    x = 8,430,468,553.78/112,955.27
  6. Step 6: Final answer
    x = 74,635.46

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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.