Home / 92,991.22-128,328.62-50,549.64

Finding the Fourth Proportional to 92,991.22, 128,328.62 and 50,549.64

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Solution

The fourth proportional to 92,991.22, 128,328.62 and 50,549.64 is: 69,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,991.22 : 128,328.62 = 50,549.64 : x
  2. Step 2: Convert to fraction form
    92,991.22/128,328.62 = 50,549.64/x
  3. Step 3: Cross multiply
    92,991.22x = 128,328.62 × 50,549.64
  4. Step 4: Simplify right side
    92,991.22x = 6,486,965,542.70
  5. Step 5: Solve for x
    x = 6,486,965,542.70/92,991.22
  6. Step 6: Final answer
    x = 69,758.90

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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.