Home / 118,450.64-163,456.97-64,737.51

Finding the Fourth Proportional to 118,450.64, 163,456.97 and 64,737.51

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Solution

The fourth proportional to 118,450.64, 163,456.97 and 64,737.51 is: 89,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,450.64 : 163,456.97 = 64,737.51 : x
  2. Step 2: Convert to fraction form
    118,450.64/163,456.97 = 64,737.51/x
  3. Step 3: Cross multiply
    118,450.64x = 163,456.97 × 64,737.51
  4. Step 4: Simplify right side
    118,450.64x = 10,581,796,906.26
  5. Step 5: Solve for x
    x = 10,581,796,906.26/118,450.64
  6. Step 6: Final answer
    x = 89,335.08

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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.