Home / 82,969.64-114,465.50-51,083.18

Finding the Fourth Proportional to 82,969.64, 114,465.50 and 51,083.18

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Solution

The fourth proportional to 82,969.64, 114,465.50 and 51,083.18 is: 70,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,969.64 : 114,465.50 = 51,083.18 : x
  2. Step 2: Convert to fraction form
    82,969.64/114,465.50 = 51,083.18/x
  3. Step 3: Cross multiply
    82,969.64x = 114,465.50 × 51,083.18
  4. Step 4: Simplify right side
    82,969.64x = 5,847,261,295.67
  5. Step 5: Solve for x
    x = 5,847,261,295.67/82,969.64
  6. Step 6: Final answer
    x = 70,474.71

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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.