Home / 105,554.97-158,342.84-30,675.77

Finding the Fourth Proportional to 105,554.97, 158,342.84 and 30,675.77

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Solution

The fourth proportional to 105,554.97, 158,342.84 and 30,675.77 is: 46,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,554.97 : 158,342.84 = 30,675.77 : x
  2. Step 2: Convert to fraction form
    105,554.97/158,342.84 = 30,675.77/x
  3. Step 3: Cross multiply
    105,554.97x = 158,342.84 × 30,675.77
  4. Step 4: Simplify right side
    105,554.97x = 4,857,287,595.89
  5. Step 5: Solve for x
    x = 4,857,287,595.89/105,554.97
  6. Step 6: Final answer
    x = 46,016.66

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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.