Home / 67,845.04-93,631.92-37,640.09

Finding the Fourth Proportional to 67,845.04, 93,631.92 and 37,640.09

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Solution

The fourth proportional to 67,845.04, 93,631.92 and 37,640.09 is: 51,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.04 : 93,631.92 = 37,640.09 : x
  2. Step 2: Convert to fraction form
    67,845.04/93,631.92 = 37,640.09/x
  3. Step 3: Cross multiply
    67,845.04x = 93,631.92 × 37,640.09
  4. Step 4: Simplify right side
    67,845.04x = 3,524,313,895.67
  5. Step 5: Solve for x
    x = 3,524,313,895.67/67,845.04
  6. Step 6: Final answer
    x = 51,946.53

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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.