Home / 86,022.20-129,033.25-26,862.94

Finding the Fourth Proportional to 86,022.20, 129,033.25 and 26,862.94

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Solution

The fourth proportional to 86,022.20, 129,033.25 and 26,862.94 is: 40,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022.20 : 129,033.25 = 26,862.94 : x
  2. Step 2: Convert to fraction form
    86,022.20/129,033.25 = 26,862.94/x
  3. Step 3: Cross multiply
    86,022.20x = 129,033.25 × 26,862.94
  4. Step 4: Simplify right side
    86,022.20x = 3,466,211,673.27
  5. Step 5: Solve for x
    x = 3,466,211,673.27/86,022.20
  6. Step 6: Final answer
    x = 40,294.39

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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.