Home / 68,566.15-94,615.41-39,886.39

Finding the Fourth Proportional to 68,566.15, 94,615.41 and 39,886.39

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Solution

The fourth proportional to 68,566.15, 94,615.41 and 39,886.39 is: 55,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,566.15 : 94,615.41 = 39,886.39 : x
  2. Step 2: Convert to fraction form
    68,566.15/94,615.41 = 39,886.39/x
  3. Step 3: Cross multiply
    68,566.15x = 94,615.41 × 39,886.39
  4. Step 4: Simplify right side
    68,566.15x = 3,773,867,143.27
  5. Step 5: Solve for x
    x = 3,773,867,143.27/68,566.15
  6. Step 6: Final answer
    x = 55,039.80

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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.