Home / 52,753.68-72,797.20-28,875.72

Finding the Fourth Proportional to 52,753.68, 72,797.20 and 28,875.72

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Solution

The fourth proportional to 52,753.68, 72,797.20 and 28,875.72 is: 39,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.68 : 72,797.20 = 28,875.72 : x
  2. Step 2: Convert to fraction form
    52,753.68/72,797.20 = 28,875.72/x
  3. Step 3: Cross multiply
    52,753.68x = 72,797.20 × 28,875.72
  4. Step 4: Simplify right side
    52,753.68x = 2,102,071,563.98
  5. Step 5: Solve for x
    x = 2,102,071,563.98/52,753.68
  6. Step 6: Final answer
    x = 39,846.92

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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.