Home / 47,989.79-66,231.05-26,776.43

Finding the Fourth Proportional to 47,989.79, 66,231.05 and 26,776.43

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Solution

The fourth proportional to 47,989.79, 66,231.05 and 26,776.43 is: 36,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,989.79 : 66,231.05 = 26,776.43 : x
  2. Step 2: Convert to fraction form
    47,989.79/66,231.05 = 26,776.43/x
  3. Step 3: Cross multiply
    47,989.79x = 66,231.05 × 26,776.43
  4. Step 4: Simplify right side
    47,989.79x = 1,773,430,609.11
  5. Step 5: Solve for x
    x = 1,773,430,609.11/47,989.79
  6. Step 6: Final answer
    x = 36,954.34

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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.