Home / 52,753.83-72,800.40-28,881.99

Finding the Fourth Proportional to 52,753.83, 72,800.40 and 28,881.99

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Solution

The fourth proportional to 52,753.83, 72,800.40 and 28,881.99 is: 39,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.83 : 72,800.40 = 28,881.99 : x
  2. Step 2: Convert to fraction form
    52,753.83/72,800.40 = 28,881.99/x
  3. Step 3: Cross multiply
    52,753.83x = 72,800.40 × 28,881.99
  4. Step 4: Simplify right side
    52,753.83x = 2,102,620,424.80
  5. Step 5: Solve for x
    x = 2,102,620,424.80/52,753.83
  6. Step 6: Final answer
    x = 39,857.21

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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.