Home / 92,218.11-126,431.50-90,536.85

Finding the Fourth Proportional to 92,218.11, 126,431.50 and 90,536.85

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Solution

The fourth proportional to 92,218.11, 126,431.50 and 90,536.85 is: 124,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,218.11 : 126,431.50 = 90,536.85 : x
  2. Step 2: Convert to fraction form
    92,218.11/126,431.50 = 90,536.85/x
  3. Step 3: Cross multiply
    92,218.11x = 126,431.50 × 90,536.85
  4. Step 4: Simplify right side
    92,218.11x = 11,446,709,750.78
  5. Step 5: Solve for x
    x = 11,446,709,750.78/92,218.11
  6. Step 6: Final answer
    x = 124,126.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.