Home / 123,766.59-170,768.61-70,051.60

Finding the Fourth Proportional to 123,766.59, 170,768.61 and 70,051.60

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Solution

The fourth proportional to 123,766.59, 170,768.61 and 70,051.60 is: 96,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,766.59 : 170,768.61 = 70,051.60 : x
  2. Step 2: Convert to fraction form
    123,766.59/170,768.61 = 70,051.60/x
  3. Step 3: Cross multiply
    123,766.59x = 170,768.61 × 70,051.60
  4. Step 4: Simplify right side
    123,766.59x = 11,962,613,933.35
  5. Step 5: Solve for x
    x = 11,962,613,933.35/123,766.59
  6. Step 6: Final answer
    x = 96,654.63

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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.