Home / 98,828.72-136,383.68-53,506.70

Finding the Fourth Proportional to 98,828.72, 136,383.68 and 53,506.70

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Solution

The fourth proportional to 98,828.72, 136,383.68 and 53,506.70 is: 73,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.72 : 136,383.68 = 53,506.70 : x
  2. Step 2: Convert to fraction form
    98,828.72/136,383.68 = 53,506.70/x
  3. Step 3: Cross multiply
    98,828.72x = 136,383.68 × 53,506.70
  4. Step 4: Simplify right side
    98,828.72x = 7,297,440,650.66
  5. Step 5: Solve for x
    x = 7,297,440,650.66/98,828.72
  6. Step 6: Final answer
    x = 73,839.27

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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.