Home / 82,416.29-123,643.07-26,259.59

Finding the Fourth Proportional to 82,416.29, 123,643.07 and 26,259.59

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Solution

The fourth proportional to 82,416.29, 123,643.07 and 26,259.59 is: 39,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,416.29 : 123,643.07 = 26,259.59 : x
  2. Step 2: Convert to fraction form
    82,416.29/123,643.07 = 26,259.59/x
  3. Step 3: Cross multiply
    82,416.29x = 123,643.07 × 26,259.59
  4. Step 4: Simplify right side
    82,416.29x = 3,246,815,575.03
  5. Step 5: Solve for x
    x = 3,246,815,575.03/82,416.29
  6. Step 6: Final answer
    x = 39,395.32

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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.