Home / 82,920.75-124,400.57-27,516.75

Finding the Fourth Proportional to 82,920.75, 124,400.57 and 27,516.75

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Solution

The fourth proportional to 82,920.75, 124,400.57 and 27,516.75 is: 41,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920.75 : 124,400.57 = 27,516.75 : x
  2. Step 2: Convert to fraction form
    82,920.75/124,400.57 = 27,516.75/x
  3. Step 3: Cross multiply
    82,920.75x = 124,400.57 × 27,516.75
  4. Step 4: Simplify right side
    82,920.75x = 3,423,099,384.55
  5. Step 5: Solve for x
    x = 3,423,099,384.55/82,920.75
  6. Step 6: Final answer
    x = 41,281.58

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1.5x scale

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.