Home / 82,823.28-114,292.56-47,012.64

Finding the Fourth Proportional to 82,823.28, 114,292.56 and 47,012.64

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Solution

The fourth proportional to 82,823.28, 114,292.56 and 47,012.64 is: 64,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,823.28 : 114,292.56 = 47,012.64 : x
  2. Step 2: Convert to fraction form
    82,823.28/114,292.56 = 47,012.64/x
  3. Step 3: Cross multiply
    82,823.28x = 114,292.56 × 47,012.64
  4. Step 4: Simplify right side
    82,823.28x = 5,373,194,977.96
  5. Step 5: Solve for x
    x = 5,373,194,977.96/82,823.28
  6. Step 6: Final answer
    x = 64,875.42

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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.