Home / 51,513.18-71,082.30-28,849.02

Finding the Fourth Proportional to 51,513.18, 71,082.30 and 28,849.02

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Solution

The fourth proportional to 51,513.18, 71,082.30 and 28,849.02 is: 39,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.18 : 71,082.30 = 28,849.02 : x
  2. Step 2: Convert to fraction form
    51,513.18/71,082.30 = 28,849.02/x
  3. Step 3: Cross multiply
    51,513.18x = 71,082.30 × 28,849.02
  4. Step 4: Simplify right side
    51,513.18x = 2,050,654,694.35
  5. Step 5: Solve for x
    x = 2,050,654,694.35/51,513.18
  6. Step 6: Final answer
    x = 39,808.35

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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.