Home / 52,579.10-72,559.40-28,706.31

Finding the Fourth Proportional to 52,579.10, 72,559.40 and 28,706.31

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Solution

The fourth proportional to 52,579.10, 72,559.40 and 28,706.31 is: 39,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,579.10 : 72,559.40 = 28,706.31 : x
  2. Step 2: Convert to fraction form
    52,579.10/72,559.40 = 28,706.31/x
  3. Step 3: Cross multiply
    52,579.10x = 72,559.40 × 28,706.31
  4. Step 4: Simplify right side
    52,579.10x = 2,082,912,486.28
  5. Step 5: Solve for x
    x = 2,082,912,486.28/52,579.10
  6. Step 6: Final answer
    x = 39,614.84

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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.