Home / 52,163.20-78,225.15-18,875.03

Finding the Fourth Proportional to 52,163.20, 78,225.15 and 18,875.03

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Solution

The fourth proportional to 52,163.20, 78,225.15 and 18,875.03 is: 28,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,163.20 : 78,225.15 = 18,875.03 : x
  2. Step 2: Convert to fraction form
    52,163.20/78,225.15 = 18,875.03/x
  3. Step 3: Cross multiply
    52,163.20x = 78,225.15 × 18,875.03
  4. Step 4: Simplify right side
    52,163.20x = 1,476,502,053.00
  5. Step 5: Solve for x
    x = 1,476,502,053.00/52,163.20
  6. Step 6: Final answer
    x = 28,305.43

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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.