Home / 102,556.94-153,828.12-27,681.36

Finding the Fourth Proportional to 102,556.94, 153,828.12 and 27,681.36

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Solution

The fourth proportional to 102,556.94, 153,828.12 and 27,681.36 is: 41,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,556.94 : 153,828.12 = 27,681.36 : x
  2. Step 2: Convert to fraction form
    102,556.94/153,828.12 = 27,681.36/x
  3. Step 3: Cross multiply
    102,556.94x = 153,828.12 × 27,681.36
  4. Step 4: Simplify right side
    102,556.94x = 4,258,171,567.84
  5. Step 5: Solve for x
    x = 4,258,171,567.84/102,556.94
  6. Step 6: Final answer
    x = 41,520.07

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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.