Home / 105,811.28-158,758.22-46,605.44

Finding the Fourth Proportional to 105,811.28, 158,758.22 and 46,605.44

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Solution

The fourth proportional to 105,811.28, 158,758.22 and 46,605.44 is: 69,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,811.28 : 158,758.22 = 46,605.44 : x
  2. Step 2: Convert to fraction form
    105,811.28/158,758.22 = 46,605.44/x
  3. Step 3: Cross multiply
    105,811.28x = 158,758.22 × 46,605.44
  4. Step 4: Simplify right side
    105,811.28x = 7,398,995,669.90
  5. Step 5: Solve for x
    x = 7,398,995,669.90/105,811.28
  6. Step 6: Final answer
    x = 69,926.34

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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.