Home / 49,503.97-68,309.35-31,609.45

Finding the Fourth Proportional to 49,503.97, 68,309.35 and 31,609.45

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Solution

The fourth proportional to 49,503.97, 68,309.35 and 31,609.45 is: 43,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,503.97 : 68,309.35 = 31,609.45 : x
  2. Step 2: Convert to fraction form
    49,503.97/68,309.35 = 31,609.45/x
  3. Step 3: Cross multiply
    49,503.97x = 68,309.35 × 31,609.45
  4. Step 4: Simplify right side
    49,503.97x = 2,159,220,983.36
  5. Step 5: Solve for x
    x = 2,159,220,983.36/49,503.97
  6. Step 6: Final answer
    x = 43,617.13

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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.