Home / 90,596.85-135,898.10-43,217.07

Finding the Fourth Proportional to 90,596.85, 135,898.10 and 43,217.07

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Solution

The fourth proportional to 90,596.85, 135,898.10 and 43,217.07 is: 64,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,596.85 : 135,898.10 = 43,217.07 : x
  2. Step 2: Convert to fraction form
    90,596.85/135,898.10 = 43,217.07/x
  3. Step 3: Cross multiply
    90,596.85x = 135,898.10 × 43,217.07
  4. Step 4: Simplify right side
    90,596.85x = 5,873,117,484.48
  5. Step 5: Solve for x
    x = 5,873,117,484.48/90,596.85
  6. Step 6: Final answer
    x = 64,826.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.