Home / 82,035.16-123,081.28-25,883.94

Finding the Fourth Proportional to 82,035.16, 123,081.28 and 25,883.94

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Solution

The fourth proportional to 82,035.16, 123,081.28 and 25,883.94 is: 38,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,035.16 : 123,081.28 = 25,883.94 : x
  2. Step 2: Convert to fraction form
    82,035.16/123,081.28 = 25,883.94/x
  3. Step 3: Cross multiply
    82,035.16x = 123,081.28 × 25,883.94
  4. Step 4: Simplify right side
    82,035.16x = 3,185,828,466.64
  5. Step 5: Solve for x
    x = 3,185,828,466.64/82,035.16
  6. Step 6: Final answer
    x = 38,834.92

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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.