Home / 92,613.88-138,107.39-91,771.84

Finding the Fourth Proportional to 92,613.88, 138,107.39 and 91,771.84

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Solution

The fourth proportional to 92,613.88, 138,107.39 and 91,771.84 is: 136,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,613.88 : 138,107.39 = 91,771.84 : x
  2. Step 2: Convert to fraction form
    92,613.88/138,107.39 = 91,771.84/x
  3. Step 3: Cross multiply
    92,613.88x = 138,107.39 × 91,771.84
  4. Step 4: Simplify right side
    92,613.88x = 12,674,369,297.90
  5. Step 5: Solve for x
    x = 12,674,369,297.90/92,613.88
  6. Step 6: Final answer
    x = 136,851.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.