Home / 45,679.08-68,520.96-14,516.76

Finding the Fourth Proportional to 45,679.08, 68,520.96 and 14,516.76

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Solution

The fourth proportional to 45,679.08, 68,520.96 and 14,516.76 is: 21,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.08 : 68,520.96 = 14,516.76 : x
  2. Step 2: Convert to fraction form
    45,679.08/68,520.96 = 14,516.76/x
  3. Step 3: Cross multiply
    45,679.08x = 68,520.96 × 14,516.76
  4. Step 4: Simplify right side
    45,679.08x = 994,702,331.29
  5. Step 5: Solve for x
    x = 994,702,331.29/45,679.08
  6. Step 6: Final answer
    x = 21,775.88

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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.