Home / 82,535.05-114,005.21-68,252.57

Finding the Fourth Proportional to 82,535.05, 114,005.21 and 68,252.57

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Solution

The fourth proportional to 82,535.05, 114,005.21 and 68,252.57 is: 94,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,535.05 : 114,005.21 = 68,252.57 : x
  2. Step 2: Convert to fraction form
    82,535.05/114,005.21 = 68,252.57/x
  3. Step 3: Cross multiply
    82,535.05x = 114,005.21 × 68,252.57
  4. Step 4: Simplify right side
    82,535.05x = 7,781,148,903.56
  5. Step 5: Solve for x
    x = 7,781,148,903.56/82,535.05
  6. Step 6: Final answer
    x = 94,276.90

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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.