Home / 49,686.05-74,527.34-14,147.60

Finding the Fourth Proportional to 49,686.05, 74,527.34 and 14,147.60

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Solution

The fourth proportional to 49,686.05, 74,527.34 and 14,147.60 is: 21,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,686.05 : 74,527.34 = 14,147.60 : x
  2. Step 2: Convert to fraction form
    49,686.05/74,527.34 = 14,147.60/x
  3. Step 3: Cross multiply
    49,686.05x = 74,527.34 × 14,147.60
  4. Step 4: Simplify right side
    49,686.05x = 1,054,382,995.38
  5. Step 5: Solve for x
    x = 1,054,382,995.38/49,686.05
  6. Step 6: Final answer
    x = 21,220.91

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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.