Home / 83,075.54-124,601-26,920.56

Finding the Fourth Proportional to 83,075.54, 124,601 and 26,920.56

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Solution

The fourth proportional to 83,075.54, 124,601 and 26,920.56 is: 40,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,075.54 : 124,601 = 26,920.56 : x
  2. Step 2: Convert to fraction form
    83,075.54/124,601 = 26,920.56/x
  3. Step 3: Cross multiply
    83,075.54x = 124,601 × 26,920.56
  4. Step 4: Simplify right side
    83,075.54x = 3,354,328,696.56
  5. Step 5: Solve for x
    x = 3,354,328,696.56/83,075.54
  6. Step 6: Final answer
    x = 40,376.85

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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.