Home / 98,829.67-136,383.99-53,506.51

Finding the Fourth Proportional to 98,829.67, 136,383.99 and 53,506.51

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Solution

The fourth proportional to 98,829.67, 136,383.99 and 53,506.51 is: 73,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,829.67 : 136,383.99 = 53,506.51 : x
  2. Step 2: Convert to fraction form
    98,829.67/136,383.99 = 53,506.51/x
  3. Step 3: Cross multiply
    98,829.67x = 136,383.99 × 53,506.51
  4. Step 4: Simplify right side
    98,829.67x = 7,297,431,324.77
  5. Step 5: Solve for x
    x = 7,297,431,324.77/98,829.67
  6. Step 6: Final answer
    x = 73,838.47

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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.