Home / 68,789.28-94,888.99-43,255.23

Finding the Fourth Proportional to 68,789.28, 94,888.99 and 43,255.23

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Solution

The fourth proportional to 68,789.28, 94,888.99 and 43,255.23 is: 59,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.28 : 94,888.99 = 43,255.23 : x
  2. Step 2: Convert to fraction form
    68,789.28/94,888.99 = 43,255.23/x
  3. Step 3: Cross multiply
    68,789.28x = 94,888.99 × 43,255.23
  4. Step 4: Simplify right side
    68,789.28x = 4,104,445,086.92
  5. Step 5: Solve for x
    x = 4,104,445,086.92/68,789.28
  6. Step 6: Final answer
    x = 59,666.93

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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.