Home / 82,468.09-123,606.51-38,001.43

Finding the Fourth Proportional to 82,468.09, 123,606.51 and 38,001.43

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Solution

The fourth proportional to 82,468.09, 123,606.51 and 38,001.43 is: 56,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,468.09 : 123,606.51 = 38,001.43 : x
  2. Step 2: Convert to fraction form
    82,468.09/123,606.51 = 38,001.43/x
  3. Step 3: Cross multiply
    82,468.09x = 123,606.51 × 38,001.43
  4. Step 4: Simplify right side
    82,468.09x = 4,697,224,137.31
  5. Step 5: Solve for x
    x = 4,697,224,137.31/82,468.09
  6. Step 6: Final answer
    x = 56,958.08

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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.