Home / 118,782.22-163,922.12-67,793.92

Finding the Fourth Proportional to 118,782.22, 163,922.12 and 67,793.92

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Solution

The fourth proportional to 118,782.22, 163,922.12 and 67,793.92 is: 93,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,782.22 : 163,922.12 = 67,793.92 : x
  2. Step 2: Convert to fraction form
    118,782.22/163,922.12 = 67,793.92/x
  3. Step 3: Cross multiply
    118,782.22x = 163,922.12 × 67,793.92
  4. Step 4: Simplify right side
    118,782.22x = 11,112,923,089.51
  5. Step 5: Solve for x
    x = 11,112,923,089.51/118,782.22
  6. Step 6: Final answer
    x = 93,557.13

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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.