Home / 82,880.10-114,370.56-47,065.38

Finding the Fourth Proportional to 82,880.10, 114,370.56 and 47,065.38

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Solution

The fourth proportional to 82,880.10, 114,370.56 and 47,065.38 is: 64,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,880.10 : 114,370.56 = 47,065.38 : x
  2. Step 2: Convert to fraction form
    82,880.10/114,370.56 = 47,065.38/x
  3. Step 3: Cross multiply
    82,880.10x = 114,370.56 × 47,065.38
  4. Step 4: Simplify right side
    82,880.10x = 5,382,893,867.21
  5. Step 5: Solve for x
    x = 5,382,893,867.21/82,880.10
  6. Step 6: Final answer
    x = 64,947.97

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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.