Home / 92,961.06-128,286.27-50,519.46

Finding the Fourth Proportional to 92,961.06, 128,286.27 and 50,519.46

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Solution

The fourth proportional to 92,961.06, 128,286.27 and 50,519.46 is: 69,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,961.06 : 128,286.27 = 50,519.46 : x
  2. Step 2: Convert to fraction form
    92,961.06/128,286.27 = 50,519.46/x
  3. Step 3: Cross multiply
    92,961.06x = 128,286.27 × 50,519.46
  4. Step 4: Simplify right side
    92,961.06x = 6,480,953,085.81
  5. Step 5: Solve for x
    x = 6,480,953,085.81/92,961.06
  6. Step 6: Final answer
    x = 69,716.86

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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.