Home / 68,588.79-94,656.21-38,372.31

Finding the Fourth Proportional to 68,588.79, 94,656.21 and 38,372.31

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Solution

The fourth proportional to 68,588.79, 94,656.21 and 38,372.31 is: 52,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,588.79 : 94,656.21 = 38,372.31 : x
  2. Step 2: Convert to fraction form
    68,588.79/94,656.21 = 38,372.31/x
  3. Step 3: Cross multiply
    68,588.79x = 94,656.21 × 38,372.31
  4. Step 4: Simplify right side
    68,588.79x = 3,632,177,289.65
  5. Step 5: Solve for x
    x = 3,632,177,289.65/68,588.79
  6. Step 6: Final answer
    x = 52,955.85

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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.