Home / 82,732.16-114,169.20-45,005.60

Finding the Fourth Proportional to 82,732.16, 114,169.20 and 45,005.60

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Solution

The fourth proportional to 82,732.16, 114,169.20 and 45,005.60 is: 62,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,732.16 : 114,169.20 = 45,005.60 : x
  2. Step 2: Convert to fraction form
    82,732.16/114,169.20 = 45,005.60/x
  3. Step 3: Cross multiply
    82,732.16x = 114,169.20 × 45,005.60
  4. Step 4: Simplify right side
    82,732.16x = 5,138,253,347.52
  5. Step 5: Solve for x
    x = 5,138,253,347.52/82,732.16
  6. Step 6: Final answer
    x = 62,107.09

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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.