Home / 82,213.55-123,320.33-37,926.80

Finding the Fourth Proportional to 82,213.55, 123,320.33 and 37,926.80

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Solution

The fourth proportional to 82,213.55, 123,320.33 and 37,926.80 is: 56,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,213.55 : 123,320.33 = 37,926.80 : x
  2. Step 2: Convert to fraction form
    82,213.55/123,320.33 = 37,926.80/x
  3. Step 3: Cross multiply
    82,213.55x = 123,320.33 × 37,926.80
  4. Step 4: Simplify right side
    82,213.55x = 4,677,145,302.21
  5. Step 5: Solve for x
    x = 4,677,145,302.21/82,213.55
  6. Step 6: Final answer
    x = 56,890.20

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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.