Home / 45,866.92-68,795.76-12,590.34

Finding the Fourth Proportional to 45,866.92, 68,795.76 and 12,590.34

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Solution

The fourth proportional to 45,866.92, 68,795.76 and 12,590.34 is: 18,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,866.92 : 68,795.76 = 12,590.34 : x
  2. Step 2: Convert to fraction form
    45,866.92/68,795.76 = 12,590.34/x
  3. Step 3: Cross multiply
    45,866.92x = 68,795.76 × 12,590.34
  4. Step 4: Simplify right side
    45,866.92x = 866,162,008.96
  5. Step 5: Solve for x
    x = 866,162,008.96/45,866.92
  6. Step 6: Final answer
    x = 18,884.24

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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.