Home / 68,789.07-94,929.96-40,107.93

Finding the Fourth Proportional to 68,789.07, 94,929.96 and 40,107.93

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Solution

The fourth proportional to 68,789.07, 94,929.96 and 40,107.93 is: 55,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,789.07 : 94,929.96 = 40,107.93 : x
  2. Step 2: Convert to fraction form
    68,789.07/94,929.96 = 40,107.93/x
  3. Step 3: Cross multiply
    68,789.07x = 94,929.96 × 40,107.93
  4. Step 4: Simplify right side
    68,789.07x = 3,807,444,190.58
  5. Step 5: Solve for x
    x = 3,807,444,190.58/68,789.07
  6. Step 6: Final answer
    x = 55,349.55

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1.5x scale

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.