Home / 68,789.43-94,848.39-63,688.28

Finding the Fourth Proportional to 68,789.43, 94,848.39 and 63,688.28

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Solution

The fourth proportional to 68,789.43, 94,848.39 and 63,688.28 is: 87,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.43 : 94,848.39 = 63,688.28 : x
  2. Step 2: Convert to fraction form
    68,789.43/94,848.39 = 63,688.28/x
  3. Step 3: Cross multiply
    68,789.43x = 94,848.39 × 63,688.28
  4. Step 4: Simplify right side
    68,789.43x = 6,040,730,345.63
  5. Step 5: Solve for x
    x = 6,040,730,345.63/68,789.43
  6. Step 6: Final answer
    x = 87,814.80

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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.