Home / 104,761.10-144,469.80-70,383.51

Finding the Fourth Proportional to 104,761.10, 144,469.80 and 70,383.51

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Solution

The fourth proportional to 104,761.10, 144,469.80 and 70,383.51 is: 97,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,761.10 : 144,469.80 = 70,383.51 : x
  2. Step 2: Convert to fraction form
    104,761.10/144,469.80 = 70,383.51/x
  3. Step 3: Cross multiply
    104,761.10x = 144,469.80 × 70,383.51
  4. Step 4: Simplify right side
    104,761.10x = 10,168,291,613.00
  5. Step 5: Solve for x
    x = 10,168,291,613.00/104,761.10
  6. Step 6: Final answer
    x = 97,061.71

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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.