Home / 52,072.68-78,109.96-18,795.24

Finding the Fourth Proportional to 52,072.68, 78,109.96 and 18,795.24

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Solution

The fourth proportional to 52,072.68, 78,109.96 and 18,795.24 is: 28,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.68 : 78,109.96 = 18,795.24 : x
  2. Step 2: Convert to fraction form
    52,072.68/78,109.96 = 18,795.24/x
  3. Step 3: Cross multiply
    52,072.68x = 78,109.96 × 18,795.24
  4. Step 4: Simplify right side
    52,072.68x = 1,468,095,444.59
  5. Step 5: Solve for x
    x = 1,468,095,444.59/52,072.68
  6. Step 6: Final answer
    x = 28,193.20

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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.