Home / 68,091.12-93,967.56-37,879.47

Finding the Fourth Proportional to 68,091.12, 93,967.56 and 37,879.47

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Solution

The fourth proportional to 68,091.12, 93,967.56 and 37,879.47 is: 52,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,091.12 : 93,967.56 = 37,879.47 : x
  2. Step 2: Convert to fraction form
    68,091.12/93,967.56 = 37,879.47/x
  3. Step 3: Cross multiply
    68,091.12x = 93,967.56 × 37,879.47
  4. Step 4: Simplify right side
    68,091.12x = 3,559,441,369.99
  5. Step 5: Solve for x
    x = 3,559,441,369.99/68,091.12
  6. Step 6: Final answer
    x = 52,274.68

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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.