Home / 53,740.45-74,161.28-29,866.65

Finding the Fourth Proportional to 53,740.45, 74,161.28 and 29,866.65

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Solution

The fourth proportional to 53,740.45, 74,161.28 and 29,866.65 is: 41,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,740.45 : 74,161.28 = 29,866.65 : x
  2. Step 2: Convert to fraction form
    53,740.45/74,161.28 = 29,866.65/x
  3. Step 3: Cross multiply
    53,740.45x = 74,161.28 × 29,866.65
  4. Step 4: Simplify right side
    53,740.45x = 2,214,948,789.87
  5. Step 5: Solve for x
    x = 2,214,948,789.87/53,740.45
  6. Step 6: Final answer
    x = 41,215.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.