Home / 51,534.48-71,260.74-40,905.66

Finding the Fourth Proportional to 51,534.48, 71,260.74 and 40,905.66

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Solution

The fourth proportional to 51,534.48, 71,260.74 and 40,905.66 is: 56,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.48 : 71,260.74 = 40,905.66 : x
  2. Step 2: Convert to fraction form
    51,534.48/71,260.74 = 40,905.66/x
  3. Step 3: Cross multiply
    51,534.48x = 71,260.74 × 40,905.66
  4. Step 4: Simplify right side
    51,534.48x = 2,914,967,601.79
  5. Step 5: Solve for x
    x = 2,914,967,601.79/51,534.48
  6. Step 6: Final answer
    x = 56,563.44

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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.