Home / 82,395.65-123,593.47-38,009.27

Finding the Fourth Proportional to 82,395.65, 123,593.47 and 38,009.27

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Solution

The fourth proportional to 82,395.65, 123,593.47 and 38,009.27 is: 57,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,395.65 : 123,593.47 = 38,009.27 : x
  2. Step 2: Convert to fraction form
    82,395.65/123,593.47 = 38,009.27/x
  3. Step 3: Cross multiply
    82,395.65x = 123,593.47 × 38,009.27
  4. Step 4: Simplify right side
    82,395.65x = 4,697,697,262.48
  5. Step 5: Solve for x
    x = 4,697,697,262.48/82,395.65
  6. Step 6: Final answer
    x = 57,013.90

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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.