Home / 52,063.05-78,089.27-18,783.60

Finding the Fourth Proportional to 52,063.05, 78,089.27 and 18,783.60

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Solution

The fourth proportional to 52,063.05, 78,089.27 and 18,783.60 is: 28,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,063.05 : 78,089.27 = 18,783.60 : x
  2. Step 2: Convert to fraction form
    52,063.05/78,089.27 = 18,783.60/x
  3. Step 3: Cross multiply
    52,063.05x = 78,089.27 × 18,783.60
  4. Step 4: Simplify right side
    52,063.05x = 1,466,797,225.22
  5. Step 5: Solve for x
    x = 1,466,797,225.22/52,063.05
  6. Step 6: Final answer
    x = 28,173.48

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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.