Home / 45,760.59-68,624.79-13,730.11

Finding the Fourth Proportional to 45,760.59, 68,624.79 and 13,730.11

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Solution

The fourth proportional to 45,760.59, 68,624.79 and 13,730.11 is: 20,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,760.59 : 68,624.79 = 13,730.11 : x
  2. Step 2: Convert to fraction form
    45,760.59/68,624.79 = 13,730.11/x
  3. Step 3: Cross multiply
    45,760.59x = 68,624.79 × 13,730.11
  4. Step 4: Simplify right side
    45,760.59x = 942,225,915.43
  5. Step 5: Solve for x
    x = 942,225,915.43/45,760.59
  6. Step 6: Final answer
    x = 20,590.34

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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.