Home / 92,814.64-128,080.77-50,372.26

Finding the Fourth Proportional to 92,814.64, 128,080.77 and 50,372.26

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Solution

The fourth proportional to 92,814.64, 128,080.77 and 50,372.26 is: 69,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,814.64 : 128,080.77 = 50,372.26 : x
  2. Step 2: Convert to fraction form
    92,814.64/128,080.77 = 50,372.26/x
  3. Step 3: Cross multiply
    92,814.64x = 128,080.77 × 50,372.26
  4. Step 4: Simplify right side
    92,814.64x = 6,451,717,847.44
  5. Step 5: Solve for x
    x = 6,451,717,847.44/92,814.64
  6. Step 6: Final answer
    x = 69,511.86

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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.