Home / 98,827.69-136,381.21-53,504.47

Finding the Fourth Proportional to 98,827.69, 136,381.21 and 53,504.47

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Solution

The fourth proportional to 98,827.69, 136,381.21 and 53,504.47 is: 73,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.69 : 136,381.21 = 53,504.47 : x
  2. Step 2: Convert to fraction form
    98,827.69/136,381.21 = 53,504.47/x
  3. Step 3: Cross multiply
    98,827.69x = 136,381.21 × 53,504.47
  4. Step 4: Simplify right side
    98,827.69x = 7,297,004,359.01
  5. Step 5: Solve for x
    x = 7,297,004,359.01/98,827.69
  6. Step 6: Final answer
    x = 73,835.63

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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.