Home / 52,705.37-79,068.65-19,425.62

Finding the Fourth Proportional to 52,705.37, 79,068.65 and 19,425.62

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Solution

The fourth proportional to 52,705.37, 79,068.65 and 19,425.62 is: 29,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705.37 : 79,068.65 = 19,425.62 : x
  2. Step 2: Convert to fraction form
    52,705.37/79,068.65 = 19,425.62/x
  3. Step 3: Cross multiply
    52,705.37x = 79,068.65 × 19,425.62
  4. Step 4: Simplify right side
    52,705.37x = 1,535,957,451.68
  5. Step 5: Solve for x
    x = 1,535,957,451.68/52,705.37
  6. Step 6: Final answer
    x = 29,142.33

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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.