Home / 82,309.37-113,545.19-52,043.72

Finding the Fourth Proportional to 82,309.37, 113,545.19 and 52,043.72

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Solution

The fourth proportional to 82,309.37, 113,545.19 and 52,043.72 is: 71,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,309.37 : 113,545.19 = 52,043.72 : x
  2. Step 2: Convert to fraction form
    82,309.37/113,545.19 = 52,043.72/x
  3. Step 3: Cross multiply
    82,309.37x = 113,545.19 × 52,043.72
  4. Step 4: Simplify right side
    82,309.37x = 5,909,313,638.09
  5. Step 5: Solve for x
    x = 5,909,313,638.09/82,309.37
  6. Step 6: Final answer
    x = 71,793.94

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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.