Home / 117,795.48-162,556.08-64,080.96

Finding the Fourth Proportional to 117,795.48, 162,556.08 and 64,080.96

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Solution

The fourth proportional to 117,795.48, 162,556.08 and 64,080.96 is: 88,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,795.48 : 162,556.08 = 64,080.96 : x
  2. Step 2: Convert to fraction form
    117,795.48/162,556.08 = 64,080.96/x
  3. Step 3: Cross multiply
    117,795.48x = 162,556.08 × 64,080.96
  4. Step 4: Simplify right side
    117,795.48x = 10,416,749,660.24
  5. Step 5: Solve for x
    x = 10,416,749,660.24/117,795.48
  6. Step 6: Final answer
    x = 88,430.81

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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.