Home / 85,240.96-117,633.04-47,517.60

Finding the Fourth Proportional to 85,240.96, 117,633.04 and 47,517.60

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Solution

The fourth proportional to 85,240.96, 117,633.04 and 47,517.60 is: 65,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,240.96 : 117,633.04 = 47,517.60 : x
  2. Step 2: Convert to fraction form
    85,240.96/117,633.04 = 47,517.60/x
  3. Step 3: Cross multiply
    85,240.96x = 117,633.04 × 47,517.60
  4. Step 4: Simplify right side
    85,240.96x = 5,589,639,741.50
  5. Step 5: Solve for x
    x = 5,589,639,741.50/85,240.96
  6. Step 6: Final answer
    x = 65,574.58

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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.