Home / 52,871.83-72,964.26-28,998.44

Finding the Fourth Proportional to 52,871.83, 72,964.26 and 28,998.44

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Solution

The fourth proportional to 52,871.83, 72,964.26 and 28,998.44 is: 40,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871.83 : 72,964.26 = 28,998.44 : x
  2. Step 2: Convert to fraction form
    52,871.83/72,964.26 = 28,998.44/x
  3. Step 3: Cross multiply
    52,871.83x = 72,964.26 × 28,998.44
  4. Step 4: Simplify right side
    52,871.83x = 2,115,849,715.75
  5. Step 5: Solve for x
    x = 2,115,849,715.75/52,871.83
  6. Step 6: Final answer
    x = 40,018.47

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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.