Home / 118,767.96-163,902.42-67,779.66

Finding the Fourth Proportional to 118,767.96, 163,902.42 and 67,779.66

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Solution

The fourth proportional to 118,767.96, 163,902.42 and 67,779.66 is: 93,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,767.96 : 163,902.42 = 67,779.66 : x
  2. Step 2: Convert to fraction form
    118,767.96/163,902.42 = 67,779.66/x
  3. Step 3: Cross multiply
    118,767.96x = 163,902.42 × 67,779.66
  4. Step 4: Simplify right side
    118,767.96x = 11,109,250,300.78
  5. Step 5: Solve for x
    x = 11,109,250,300.78/118,767.96
  6. Step 6: Final answer
    x = 93,537.43

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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.