Home / 45,788.96-68,679.12-14,618.72

Finding the Fourth Proportional to 45,788.96, 68,679.12 and 14,618.72

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Solution

The fourth proportional to 45,788.96, 68,679.12 and 14,618.72 is: 21,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,788.96 : 68,679.12 = 14,618.72 : x
  2. Step 2: Convert to fraction form
    45,788.96/68,679.12 = 14,618.72/x
  3. Step 3: Cross multiply
    45,788.96x = 68,679.12 × 14,618.72
  4. Step 4: Simplify right side
    45,788.96x = 1,004,000,825.13
  5. Step 5: Solve for x
    x = 1,004,000,825.13/45,788.96
  6. Step 6: Final answer
    x = 21,926.70

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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.