Home / 78,318.37-108,080.96-44,326.86

Finding the Fourth Proportional to 78,318.37, 108,080.96 and 44,326.86

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Solution

The fourth proportional to 78,318.37, 108,080.96 and 44,326.86 is: 61,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,318.37 : 108,080.96 = 44,326.86 : x
  2. Step 2: Convert to fraction form
    78,318.37/108,080.96 = 44,326.86/x
  3. Step 3: Cross multiply
    78,318.37x = 108,080.96 × 44,326.86
  4. Step 4: Simplify right side
    78,318.37x = 4,790,889,582.59
  5. Step 5: Solve for x
    x = 4,790,889,582.59/78,318.37
  6. Step 6: Final answer
    x = 61,171.98

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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.