Home / 98,828.97-136,384.05-53,506.98

Finding the Fourth Proportional to 98,828.97, 136,384.05 and 53,506.98

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Solution

The fourth proportional to 98,828.97, 136,384.05 and 53,506.98 is: 73,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.97 : 136,384.05 = 53,506.98 : x
  2. Step 2: Convert to fraction form
    98,828.97/136,384.05 = 53,506.98/x
  3. Step 3: Cross multiply
    98,828.97x = 136,384.05 × 53,506.98
  4. Step 4: Simplify right side
    98,828.97x = 7,297,498,836.32
  5. Step 5: Solve for x
    x = 7,297,498,836.32/98,828.97
  6. Step 6: Final answer
    x = 73,839.68

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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.