Home / 52,529.30-72,489.21-28,656.81

Finding the Fourth Proportional to 52,529.30, 72,489.21 and 28,656.81

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Solution

The fourth proportional to 52,529.30, 72,489.21 and 28,656.81 is: 39,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,529.30 : 72,489.21 = 28,656.81 : x
  2. Step 2: Convert to fraction form
    52,529.30/72,489.21 = 28,656.81/x
  3. Step 3: Cross multiply
    52,529.30x = 72,489.21 × 28,656.81
  4. Step 4: Simplify right side
    52,529.30x = 2,077,309,518.02
  5. Step 5: Solve for x
    x = 2,077,309,518.02/52,529.30
  6. Step 6: Final answer
    x = 39,545.73

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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.