Home / 82,785.24-124,102.98-30,182.42

Finding the Fourth Proportional to 82,785.24, 124,102.98 and 30,182.42

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Solution

The fourth proportional to 82,785.24, 124,102.98 and 30,182.42 is: 45,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,785.24 : 124,102.98 = 30,182.42 : x
  2. Step 2: Convert to fraction form
    82,785.24/124,102.98 = 30,182.42/x
  3. Step 3: Cross multiply
    82,785.24x = 124,102.98 × 30,182.42
  4. Step 4: Simplify right side
    82,785.24x = 3,745,727,494.18
  5. Step 5: Solve for x
    x = 3,745,727,494.18/82,785.24
  6. Step 6: Final answer
    x = 45,246.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.