Home / 118,818.33-163,988.75-67,833.18

Finding the Fourth Proportional to 118,818.33, 163,988.75 and 67,833.18

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Solution

The fourth proportional to 118,818.33, 163,988.75 and 67,833.18 is: 93,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,818.33 : 163,988.75 = 67,833.18 : x
  2. Step 2: Convert to fraction form
    118,818.33/163,988.75 = 67,833.18/x
  3. Step 3: Cross multiply
    118,818.33x = 163,988.75 × 67,833.18
  4. Step 4: Simplify right side
    118,818.33x = 11,123,878,057.56
  5. Step 5: Solve for x
    x = 11,123,878,057.56/118,818.33
  6. Step 6: Final answer
    x = 93,620.89

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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.