Home / 49,741.81-68,669.06-38,385.79

Finding the Fourth Proportional to 49,741.81, 68,669.06 and 38,385.79

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Solution

The fourth proportional to 49,741.81, 68,669.06 and 38,385.79 is: 52,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,741.81 : 68,669.06 = 38,385.79 : x
  2. Step 2: Convert to fraction form
    49,741.81/68,669.06 = 38,385.79/x
  3. Step 3: Cross multiply
    49,741.81x = 68,669.06 × 38,385.79
  4. Step 4: Simplify right side
    49,741.81x = 2,635,916,116.66
  5. Step 5: Solve for x
    x = 2,635,916,116.66/49,741.81
  6. Step 6: Final answer
    x = 52,991.96

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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.