Home / 105,554.72-158,315.07-46,379.36

Finding the Fourth Proportional to 105,554.72, 158,315.07 and 46,379.36

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Solution

The fourth proportional to 105,554.72, 158,315.07 and 46,379.36 is: 69,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,554.72 : 158,315.07 = 46,379.36 : x
  2. Step 2: Convert to fraction form
    105,554.72/158,315.07 = 46,379.36/x
  3. Step 3: Cross multiply
    105,554.72x = 158,315.07 × 46,379.36
  4. Step 4: Simplify right side
    105,554.72x = 7,342,551,624.96
  5. Step 5: Solve for x
    x = 7,342,551,624.96/105,554.72
  6. Step 6: Final answer
    x = 69,561.57

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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.