Home / 82,076.25-123,130.58-25,925.03

Finding the Fourth Proportional to 82,076.25, 123,130.58 and 25,925.03

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Solution

The fourth proportional to 82,076.25, 123,130.58 and 25,925.03 is: 38,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,076.25 : 123,130.58 = 25,925.03 : x
  2. Step 2: Convert to fraction form
    82,076.25/123,130.58 = 25,925.03/x
  3. Step 3: Cross multiply
    82,076.25x = 123,130.58 × 25,925.03
  4. Step 4: Simplify right side
    82,076.25x = 3,192,163,235.14
  5. Step 5: Solve for x
    x = 3,192,163,235.14/82,076.25
  6. Step 6: Final answer
    x = 38,892.65

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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.