Home / 92,813.64-128,079.39-50,371.26

Finding the Fourth Proportional to 92,813.64, 128,079.39 and 50,371.26

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Solution

The fourth proportional to 92,813.64, 128,079.39 and 50,371.26 is: 69,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,813.64 : 128,079.39 = 50,371.26 : x
  2. Step 2: Convert to fraction form
    92,813.64/128,079.39 = 50,371.26/x
  3. Step 3: Cross multiply
    92,813.64x = 128,079.39 × 50,371.26
  4. Step 4: Simplify right side
    92,813.64x = 6,451,520,254.33
  5. Step 5: Solve for x
    x = 6,451,520,254.33/92,813.64
  6. Step 6: Final answer
    x = 69,510.48

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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.