Home / 118,640.32-163,723.66-64,925.37

Finding the Fourth Proportional to 118,640.32, 163,723.66 and 64,925.37

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Solution

The fourth proportional to 118,640.32, 163,723.66 and 64,925.37 is: 89,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,640.32 : 163,723.66 = 64,925.37 : x
  2. Step 2: Convert to fraction form
    118,640.32/163,723.66 = 64,925.37/x
  3. Step 3: Cross multiply
    118,640.32x = 163,723.66 × 64,925.37
  4. Step 4: Simplify right side
    118,640.32x = 10,629,819,040.94
  5. Step 5: Solve for x
    x = 10,629,819,040.94/118,640.32
  6. Step 6: Final answer
    x = 89,597.02

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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.