Home / 82,834.75-124,271.70-27,430.75

Finding the Fourth Proportional to 82,834.75, 124,271.70 and 27,430.75

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Solution

The fourth proportional to 82,834.75, 124,271.70 and 27,430.75 is: 41,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,834.75 : 124,271.70 = 27,430.75 : x
  2. Step 2: Convert to fraction form
    82,834.75/124,271.70 = 27,430.75/x
  3. Step 3: Cross multiply
    82,834.75x = 124,271.70 × 27,430.75
  4. Step 4: Simplify right side
    82,834.75x = 3,408,865,934.78
  5. Step 5: Solve for x
    x = 3,408,865,934.78/82,834.75
  6. Step 6: Final answer
    x = 41,152.61

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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.