Home / 82,977.50-114,517.60-51,145.58

Finding the Fourth Proportional to 82,977.50, 114,517.60 and 51,145.58

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Solution

The fourth proportional to 82,977.50, 114,517.60 and 51,145.58 is: 70,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,977.50 : 114,517.60 = 51,145.58 : x
  2. Step 2: Convert to fraction form
    82,977.50/114,517.60 = 51,145.58/x
  3. Step 3: Cross multiply
    82,977.50x = 114,517.60 × 51,145.58
  4. Step 4: Simplify right side
    82,977.50x = 5,857,069,072.21
  5. Step 5: Solve for x
    x = 5,857,069,072.21/82,977.50
  6. Step 6: Final answer
    x = 70,586.23

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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.