Home / 82,393.78-123,588.91-26,237.77

Finding the Fourth Proportional to 82,393.78, 123,588.91 and 26,237.77

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Solution

The fourth proportional to 82,393.78, 123,588.91 and 26,237.77 is: 39,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,393.78 : 123,588.91 = 26,237.77 : x
  2. Step 2: Convert to fraction form
    82,393.78/123,588.91 = 26,237.77/x
  3. Step 3: Cross multiply
    82,393.78x = 123,588.91 × 26,237.77
  4. Step 4: Simplify right side
    82,393.78x = 3,242,697,395.13
  5. Step 5: Solve for x
    x = 3,242,697,395.13/82,393.78
  6. Step 6: Final answer
    x = 39,356.09

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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.