Home / 82,716.36-124,085.98-26,543.26

Finding the Fourth Proportional to 82,716.36, 124,085.98 and 26,543.26

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Solution

The fourth proportional to 82,716.36, 124,085.98 and 26,543.26 is: 39,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,716.36 : 124,085.98 = 26,543.26 : x
  2. Step 2: Convert to fraction form
    82,716.36/124,085.98 = 26,543.26/x
  3. Step 3: Cross multiply
    82,716.36x = 124,085.98 × 26,543.26
  4. Step 4: Simplify right side
    82,716.36x = 3,293,646,429.49
  5. Step 5: Solve for x
    x = 3,293,646,429.49/82,716.36
  6. Step 6: Final answer
    x = 39,818.56

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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.