Home / 118,748.76-163,869.26-67,764.30

Finding the Fourth Proportional to 118,748.76, 163,869.26 and 67,764.30

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Solution

The fourth proportional to 118,748.76, 163,869.26 and 67,764.30 is: 93,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,748.76 : 163,869.26 = 67,764.30 : x
  2. Step 2: Convert to fraction form
    118,748.76/163,869.26 = 67,764.30/x
  3. Step 3: Cross multiply
    118,748.76x = 163,869.26 × 67,764.30
  4. Step 4: Simplify right side
    118,748.76x = 11,104,485,695.42
  5. Step 5: Solve for x
    x = 11,104,485,695.42/118,748.76
  6. Step 6: Final answer
    x = 93,512.43

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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.