Home / 92,834.83-128,092.38-54,580.43

Finding the Fourth Proportional to 92,834.83, 128,092.38 and 54,580.43

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Solution

The fourth proportional to 92,834.83, 128,092.38 and 54,580.43 is: 75,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,834.83 : 128,092.38 = 54,580.43 : x
  2. Step 2: Convert to fraction form
    92,834.83/128,092.38 = 54,580.43/x
  3. Step 3: Cross multiply
    92,834.83x = 128,092.38 × 54,580.43
  4. Step 4: Simplify right side
    92,834.83x = 6,991,337,449.19
  5. Step 5: Solve for x
    x = 6,991,337,449.19/92,834.83
  6. Step 6: Final answer
    x = 75,309.42

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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.