Home / 49,853.12-68,762.04-31,953.20

Finding the Fourth Proportional to 49,853.12, 68,762.04 and 31,953.20

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Solution

The fourth proportional to 49,853.12, 68,762.04 and 31,953.20 is: 44,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,853.12 : 68,762.04 = 31,953.20 : x
  2. Step 2: Convert to fraction form
    49,853.12/68,762.04 = 31,953.20/x
  3. Step 3: Cross multiply
    49,853.12x = 68,762.04 × 31,953.20
  4. Step 4: Simplify right side
    49,853.12x = 2,197,167,216.53
  5. Step 5: Solve for x
    x = 2,197,167,216.53/49,853.12
  6. Step 6: Final answer
    x = 44,072.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.