Home / 52,563.23-72,537.79-28,690.30

Finding the Fourth Proportional to 52,563.23, 72,537.79 and 28,690.30

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Solution

The fourth proportional to 52,563.23, 72,537.79 and 28,690.30 is: 39,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,563.23 : 72,537.79 = 28,690.30 : x
  2. Step 2: Convert to fraction form
    52,563.23/72,537.79 = 28,690.30/x
  3. Step 3: Cross multiply
    52,563.23x = 72,537.79 × 28,690.30
  4. Step 4: Simplify right side
    52,563.23x = 2,081,130,593.75
  5. Step 5: Solve for x
    x = 2,081,130,593.75/52,563.23
  6. Step 6: Final answer
    x = 39,592.90

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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.