Home / 105,881.16-158,779.35-46,674.75

Finding the Fourth Proportional to 105,881.16, 158,779.35 and 46,674.75

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Solution

The fourth proportional to 105,881.16, 158,779.35 and 46,674.75 is: 69,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,881.16 : 158,779.35 = 46,674.75 : x
  2. Step 2: Convert to fraction form
    105,881.16/158,779.35 = 46,674.75/x
  3. Step 3: Cross multiply
    105,881.16x = 158,779.35 × 46,674.75
  4. Step 4: Simplify right side
    105,881.16x = 7,410,986,466.41
  5. Step 5: Solve for x
    x = 7,410,986,466.41/105,881.16
  6. Step 6: Final answer
    x = 69,993.44

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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.