Home / 51,784.31-71,461.67-29,123.30

Finding the Fourth Proportional to 51,784.31, 71,461.67 and 29,123.30

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Solution

The fourth proportional to 51,784.31, 71,461.67 and 29,123.30 is: 40,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,784.31 : 71,461.67 = 29,123.30 : x
  2. Step 2: Convert to fraction form
    51,784.31/71,461.67 = 29,123.30/x
  3. Step 3: Cross multiply
    51,784.31x = 71,461.67 × 29,123.30
  4. Step 4: Simplify right side
    51,784.31x = 2,081,199,150.99
  5. Step 5: Solve for x
    x = 2,081,199,150.99/51,784.31
  6. Step 6: Final answer
    x = 40,189.76

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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.