Home / 48,581.12-72,871.68-13,523.51

Finding the Fourth Proportional to 48,581.12, 72,871.68 and 13,523.51

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Solution

The fourth proportional to 48,581.12, 72,871.68 and 13,523.51 is: 20,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,581.12 : 72,871.68 = 13,523.51 : x
  2. Step 2: Convert to fraction form
    48,581.12/72,871.68 = 13,523.51/x
  3. Step 3: Cross multiply
    48,581.12x = 72,871.68 × 13,523.51
  4. Step 4: Simplify right side
    48,581.12x = 985,480,893.20
  5. Step 5: Solve for x
    x = 985,480,893.20/48,581.12
  6. Step 6: Final answer
    x = 20,285.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.