Home / 107,001.38-160,392.71-69,636.48

Finding the Fourth Proportional to 107,001.38, 160,392.71 and 69,636.48

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Solution

The fourth proportional to 107,001.38, 160,392.71 and 69,636.48 is: 104,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,001.38 : 160,392.71 = 69,636.48 : x
  2. Step 2: Convert to fraction form
    107,001.38/160,392.71 = 69,636.48/x
  3. Step 3: Cross multiply
    107,001.38x = 160,392.71 × 69,636.48
  4. Step 4: Simplify right side
    107,001.38x = 11,169,183,393.88
  5. Step 5: Solve for x
    x = 11,169,183,393.88/107,001.38
  6. Step 6: Final answer
    x = 104,383.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.