Home / 51,719.31-71,372.34-29,058.35

Finding the Fourth Proportional to 51,719.31, 71,372.34 and 29,058.35

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Solution

The fourth proportional to 51,719.31, 71,372.34 and 29,058.35 is: 40,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,719.31 : 71,372.34 = 29,058.35 : x
  2. Step 2: Convert to fraction form
    51,719.31/71,372.34 = 29,058.35/x
  3. Step 3: Cross multiply
    51,719.31x = 71,372.34 × 29,058.35
  4. Step 4: Simplify right side
    51,719.31x = 2,073,962,079.18
  5. Step 5: Solve for x
    x = 2,073,962,079.18/51,719.31
  6. Step 6: Final answer
    x = 40,100.34

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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.