Home / 84,955.88-117,115.18-59,382.60

Finding the Fourth Proportional to 84,955.88, 117,115.18 and 59,382.60

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Solution

The fourth proportional to 84,955.88, 117,115.18 and 59,382.60 is: 81,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,955.88 : 117,115.18 = 59,382.60 : x
  2. Step 2: Convert to fraction form
    84,955.88/117,115.18 = 59,382.60/x
  3. Step 3: Cross multiply
    84,955.88x = 117,115.18 × 59,382.60
  4. Step 4: Simplify right side
    84,955.88x = 6,954,603,739.41
  5. Step 5: Solve for x
    x = 6,954,603,739.41/84,955.88
  6. Step 6: Final answer
    x = 81,861.36

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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.