Home / 118,671.94-163,767.42-64,960.36

Finding the Fourth Proportional to 118,671.94, 163,767.42 and 64,960.36

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Solution

The fourth proportional to 118,671.94, 163,767.42 and 64,960.36 is: 89,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,671.94 : 163,767.42 = 64,960.36 : x
  2. Step 2: Convert to fraction form
    118,671.94/163,767.42 = 64,960.36/x
  3. Step 3: Cross multiply
    118,671.94x = 163,767.42 × 64,960.36
  4. Step 4: Simplify right side
    118,671.94x = 10,638,390,559.47
  5. Step 5: Solve for x
    x = 10,638,390,559.47/118,671.94
  6. Step 6: Final answer
    x = 89,645.37

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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.