Home / 117,749.18-162,493.08-64,034.07

Finding the Fourth Proportional to 117,749.18, 162,493.08 and 64,034.07

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Solution

The fourth proportional to 117,749.18, 162,493.08 and 64,034.07 is: 88,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,749.18 : 162,493.08 = 64,034.07 : x
  2. Step 2: Convert to fraction form
    117,749.18/162,493.08 = 64,034.07/x
  3. Step 3: Cross multiply
    117,749.18x = 162,493.08 × 64,034.07
  4. Step 4: Simplify right side
    117,749.18x = 10,405,092,446.77
  5. Step 5: Solve for x
    x = 10,405,092,446.77/117,749.18
  6. Step 6: Final answer
    x = 88,366.58

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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.