Home / 44,135.76-66,214.64-12,971.04

Finding the Fourth Proportional to 44,135.76, 66,214.64 and 12,971.04

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Solution

The fourth proportional to 44,135.76, 66,214.64 and 12,971.04 is: 19,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,135.76 : 66,214.64 = 12,971.04 : x
  2. Step 2: Convert to fraction form
    44,135.76/66,214.64 = 12,971.04/x
  3. Step 3: Cross multiply
    44,135.76x = 66,214.64 × 12,971.04
  4. Step 4: Simplify right side
    44,135.76x = 858,872,744.03
  5. Step 5: Solve for x
    x = 858,872,744.03/44,135.76
  6. Step 6: Final answer
    x = 19,459.79

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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.