Home / 67,409.57-93,033.44-38,729.17

Finding the Fourth Proportional to 67,409.57, 93,033.44 and 38,729.17

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Solution

The fourth proportional to 67,409.57, 93,033.44 and 38,729.17 is: 53,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,409.57 : 93,033.44 = 38,729.17 : x
  2. Step 2: Convert to fraction form
    67,409.57/93,033.44 = 38,729.17/x
  3. Step 3: Cross multiply
    67,409.57x = 93,033.44 × 38,729.17
  4. Step 4: Simplify right side
    67,409.57x = 3,603,107,913.44
  5. Step 5: Solve for x
    x = 3,603,107,913.44/67,409.57
  6. Step 6: Final answer
    x = 53,450.98

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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.