Home / 118,558.52-163,608.68-64,842.36

Finding the Fourth Proportional to 118,558.52, 163,608.68 and 64,842.36

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Solution

The fourth proportional to 118,558.52, 163,608.68 and 64,842.36 is: 89,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,558.52 : 163,608.68 = 64,842.36 : x
  2. Step 2: Convert to fraction form
    118,558.52/163,608.68 = 64,842.36/x
  3. Step 3: Cross multiply
    118,558.52x = 163,608.68 × 64,842.36
  4. Step 4: Simplify right side
    118,558.52x = 10,608,772,603.47
  5. Step 5: Solve for x
    x = 10,608,772,603.47/118,558.52
  6. Step 6: Final answer
    x = 89,481.32

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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.