Home / 82,851.68-124,260.06-26,696.90

Finding the Fourth Proportional to 82,851.68, 124,260.06 and 26,696.90

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Solution

The fourth proportional to 82,851.68, 124,260.06 and 26,696.90 is: 40,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,851.68 : 124,260.06 = 26,696.90 : x
  2. Step 2: Convert to fraction form
    82,851.68/124,260.06 = 26,696.90/x
  3. Step 3: Cross multiply
    82,851.68x = 124,260.06 × 26,696.90
  4. Step 4: Simplify right side
    82,851.68x = 3,317,358,395.81
  5. Step 5: Solve for x
    x = 3,317,358,395.81/82,851.68
  6. Step 6: Final answer
    x = 40,039.72

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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.