Home / 98,828.28-136,383.11-53,506.30

Finding the Fourth Proportional to 98,828.28, 136,383.11 and 53,506.30

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Solution

The fourth proportional to 98,828.28, 136,383.11 and 53,506.30 is: 73,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.28 : 136,383.11 = 53,506.30 : x
  2. Step 2: Convert to fraction form
    98,828.28/136,383.11 = 53,506.30/x
  3. Step 3: Cross multiply
    98,828.28x = 136,383.11 × 53,506.30
  4. Step 4: Simplify right side
    98,828.28x = 7,297,355,391.40
  5. Step 5: Solve for x
    x = 7,297,355,391.40/98,828.28
  6. Step 6: Final answer
    x = 73,838.74

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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.