Home / 89,907.09-124,063.21-49,622.55

Finding the Fourth Proportional to 89,907.09, 124,063.21 and 49,622.55

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Solution

The fourth proportional to 89,907.09, 124,063.21 and 49,622.55 is: 68,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,907.09 : 124,063.21 = 49,622.55 : x
  2. Step 2: Convert to fraction form
    89,907.09/124,063.21 = 49,622.55/x
  3. Step 3: Cross multiply
    89,907.09x = 124,063.21 × 49,622.55
  4. Step 4: Simplify right side
    89,907.09x = 6,156,332,841.39
  5. Step 5: Solve for x
    x = 6,156,332,841.39/89,907.09
  6. Step 6: Final answer
    x = 68,474.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.