Home / 92,841.35-128,120.18-50,399.82

Finding the Fourth Proportional to 92,841.35, 128,120.18 and 50,399.82

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Solution

The fourth proportional to 92,841.35, 128,120.18 and 50,399.82 is: 69,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,841.35 : 128,120.18 = 50,399.82 : x
  2. Step 2: Convert to fraction form
    92,841.35/128,120.18 = 50,399.82/x
  3. Step 3: Cross multiply
    92,841.35x = 128,120.18 × 50,399.82
  4. Step 4: Simplify right side
    92,841.35x = 6,457,233,758.37
  5. Step 5: Solve for x
    x = 6,457,233,758.37/92,841.35
  6. Step 6: Final answer
    x = 69,551.27

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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.