Home / 97,778.03-146,740.89-67,775.36

Finding the Fourth Proportional to 97,778.03, 146,740.89 and 67,775.36

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Solution

The fourth proportional to 97,778.03, 146,740.89 and 67,775.36 is: 101,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,778.03 : 146,740.89 = 67,775.36 : x
  2. Step 2: Convert to fraction form
    97,778.03/146,740.89 = 67,775.36/x
  3. Step 3: Cross multiply
    97,778.03x = 146,740.89 × 67,775.36
  4. Step 4: Simplify right side
    97,778.03x = 9,945,416,646.47
  5. Step 5: Solve for x
    x = 9,945,416,646.47/97,778.03
  6. Step 6: Final answer
    x = 101,714.23

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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.