Home / 82,347.20-123,425.44-37,880.64

Finding the Fourth Proportional to 82,347.20, 123,425.44 and 37,880.64

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Solution

The fourth proportional to 82,347.20, 123,425.44 and 37,880.64 is: 56,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,347.20 : 123,425.44 = 37,880.64 : x
  2. Step 2: Convert to fraction form
    82,347.20/123,425.44 = 37,880.64/x
  3. Step 3: Cross multiply
    82,347.20x = 123,425.44 × 37,880.64
  4. Step 4: Simplify right side
    82,347.20x = 4,675,434,659.48
  5. Step 5: Solve for x
    x = 4,675,434,659.48/82,347.20
  6. Step 6: Final answer
    x = 56,777.09

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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.