Home / 49,640.18-68,430.84-40,673.48

Finding the Fourth Proportional to 49,640.18, 68,430.84 and 40,673.48

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Solution

The fourth proportional to 49,640.18, 68,430.84 and 40,673.48 is: 56,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.18 : 68,430.84 = 40,673.48 : x
  2. Step 2: Convert to fraction form
    49,640.18/68,430.84 = 40,673.48/x
  3. Step 3: Cross multiply
    49,640.18x = 68,430.84 × 40,673.48
  4. Step 4: Simplify right side
    49,640.18x = 2,783,320,402.12
  5. Step 5: Solve for x
    x = 2,783,320,402.12/49,640.18
  6. Step 6: Final answer
    x = 56,069.91

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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.