Home / 117,929.52-162,741.32-64,214.52

Finding the Fourth Proportional to 117,929.52, 162,741.32 and 64,214.52

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Solution

The fourth proportional to 117,929.52, 162,741.32 and 64,214.52 is: 88,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,929.52 : 162,741.32 = 64,214.52 : x
  2. Step 2: Convert to fraction form
    117,929.52/162,741.32 = 64,214.52/x
  3. Step 3: Cross multiply
    117,929.52x = 162,741.32 × 64,214.52
  4. Step 4: Simplify right side
    117,929.52x = 10,450,355,747.97
  5. Step 5: Solve for x
    x = 10,450,355,747.97/117,929.52
  6. Step 6: Final answer
    x = 88,615.27

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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.