Home / 94,670.73-142,035.56-28,111.20

Finding the Fourth Proportional to 94,670.73, 142,035.56 and 28,111.20

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Solution

The fourth proportional to 94,670.73, 142,035.56 and 28,111.20 is: 42,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,670.73 : 142,035.56 = 28,111.20 : x
  2. Step 2: Convert to fraction form
    94,670.73/142,035.56 = 28,111.20/x
  3. Step 3: Cross multiply
    94,670.73x = 142,035.56 × 28,111.20
  4. Step 4: Simplify right side
    94,670.73x = 3,992,790,034.27
  5. Step 5: Solve for x
    x = 3,992,790,034.27/94,670.73
  6. Step 6: Final answer
    x = 42,175.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.