Home / 109,764.82-151,482.45-67,317.58

Finding the Fourth Proportional to 109,764.82, 151,482.45 and 67,317.58

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Solution

The fourth proportional to 109,764.82, 151,482.45 and 67,317.58 is: 92,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.82 : 151,482.45 = 67,317.58 : x
  2. Step 2: Convert to fraction form
    109,764.82/151,482.45 = 67,317.58/x
  3. Step 3: Cross multiply
    109,764.82x = 151,482.45 × 67,317.58
  4. Step 4: Simplify right side
    109,764.82x = 10,197,431,946.47
  5. Step 5: Solve for x
    x = 10,197,431,946.47/109,764.82
  6. Step 6: Final answer
    x = 92,902.55

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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.