Home / 82,730.88-114,169.50-45,005.22

Finding the Fourth Proportional to 82,730.88, 114,169.50 and 45,005.22

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Solution

The fourth proportional to 82,730.88, 114,169.50 and 45,005.22 is: 62,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,730.88 : 114,169.50 = 45,005.22 : x
  2. Step 2: Convert to fraction form
    82,730.88/114,169.50 = 45,005.22/x
  3. Step 3: Cross multiply
    82,730.88x = 114,169.50 × 45,005.22
  4. Step 4: Simplify right side
    82,730.88x = 5,138,223,464.79
  5. Step 5: Solve for x
    x = 5,138,223,464.79/82,730.88
  6. Step 6: Final answer
    x = 62,107.69

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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.