Home / 82,187.65-113,380.02-53,496.84

Finding the Fourth Proportional to 82,187.65, 113,380.02 and 53,496.84

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Solution

The fourth proportional to 82,187.65, 113,380.02 and 53,496.84 is: 73,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,187.65 : 113,380.02 = 53,496.84 : x
  2. Step 2: Convert to fraction form
    82,187.65/113,380.02 = 53,496.84/x
  3. Step 3: Cross multiply
    82,187.65x = 113,380.02 × 53,496.84
  4. Step 4: Simplify right side
    82,187.65x = 6,065,472,789.14
  5. Step 5: Solve for x
    x = 6,065,472,789.14/82,187.65
  6. Step 6: Final answer
    x = 73,800.29

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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.