Home / 45,987.92-68,944.67-14,381.72

Finding the Fourth Proportional to 45,987.92, 68,944.67 and 14,381.72

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Solution

The fourth proportional to 45,987.92, 68,944.67 and 14,381.72 is: 21,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,987.92 : 68,944.67 = 14,381.72 : x
  2. Step 2: Convert to fraction form
    45,987.92/68,944.67 = 14,381.72/x
  3. Step 3: Cross multiply
    45,987.92x = 68,944.67 × 14,381.72
  4. Step 4: Simplify right side
    45,987.92x = 991,542,522.80
  5. Step 5: Solve for x
    x = 991,542,522.80/45,987.92
  6. Step 6: Final answer
    x = 21,560.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.