Home / 68,863.10-95,030.82-38,648.34

Finding the Fourth Proportional to 68,863.10, 95,030.82 and 38,648.34

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Solution

The fourth proportional to 68,863.10, 95,030.82 and 38,648.34 is: 53,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863.10 : 95,030.82 = 38,648.34 : x
  2. Step 2: Convert to fraction form
    68,863.10/95,030.82 = 38,648.34/x
  3. Step 3: Cross multiply
    68,863.10x = 95,030.82 × 38,648.34
  4. Step 4: Simplify right side
    68,863.10x = 3,672,783,441.84
  5. Step 5: Solve for x
    x = 3,672,783,441.84/68,863.10
  6. Step 6: Final answer
    x = 53,334.57

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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.