Home / 125,309.24-187,975.74-45,367.38

Finding the Fourth Proportional to 125,309.24, 187,975.74 and 45,367.38

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Solution

The fourth proportional to 125,309.24, 187,975.74 and 45,367.38 is: 68,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,309.24 : 187,975.74 = 45,367.38 : x
  2. Step 2: Convert to fraction form
    125,309.24/187,975.74 = 45,367.38/x
  3. Step 3: Cross multiply
    125,309.24x = 187,975.74 × 45,367.38
  4. Step 4: Simplify right side
    125,309.24x = 8,527,966,827.36
  5. Step 5: Solve for x
    x = 8,527,966,827.36/125,309.24
  6. Step 6: Final answer
    x = 68,055.37

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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.