Home / 118,646.49-163,732.03-66,974.46

Finding the Fourth Proportional to 118,646.49, 163,732.03 and 66,974.46

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Solution

The fourth proportional to 118,646.49, 163,732.03 and 66,974.46 is: 92,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,646.49 : 163,732.03 = 66,974.46 : x
  2. Step 2: Convert to fraction form
    118,646.49/163,732.03 = 66,974.46/x
  3. Step 3: Cross multiply
    118,646.49x = 163,732.03 × 66,974.46
  4. Step 4: Simplify right side
    118,646.49x = 10,965,864,810.25
  5. Step 5: Solve for x
    x = 10,965,864,810.25/118,646.49
  6. Step 6: Final answer
    x = 92,424.69

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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.