Home / 118,376.41-163,356.75-64,661.66

Finding the Fourth Proportional to 118,376.41, 163,356.75 and 64,661.66

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Solution

The fourth proportional to 118,376.41, 163,356.75 and 64,661.66 is: 89,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,376.41 : 163,356.75 = 64,661.66 : x
  2. Step 2: Convert to fraction form
    118,376.41/163,356.75 = 64,661.66/x
  3. Step 3: Cross multiply
    118,376.41x = 163,356.75 × 64,661.66
  4. Step 4: Simplify right side
    118,376.41x = 10,562,918,627.21
  5. Step 5: Solve for x
    x = 10,562,918,627.21/118,376.41
  6. Step 6: Final answer
    x = 89,231.62

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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.