Home / 52,678.54-79,025.10-21,506.50

Finding the Fourth Proportional to 52,678.54, 79,025.10 and 21,506.50

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Solution

The fourth proportional to 52,678.54, 79,025.10 and 21,506.50 is: 32,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,678.54 : 79,025.10 = 21,506.50 : x
  2. Step 2: Convert to fraction form
    52,678.54/79,025.10 = 21,506.50/x
  3. Step 3: Cross multiply
    52,678.54x = 79,025.10 × 21,506.50
  4. Step 4: Simplify right side
    52,678.54x = 1,699,553,313.15
  5. Step 5: Solve for x
    x = 1,699,553,313.15/52,678.54
  6. Step 6: Final answer
    x = 32,262.73

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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.