Home / 52,174.52-78,267.96-18,910.28

Finding the Fourth Proportional to 52,174.52, 78,267.96 and 18,910.28

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Solution

The fourth proportional to 52,174.52, 78,267.96 and 18,910.28 is: 28,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,174.52 : 78,267.96 = 18,910.28 : x
  2. Step 2: Convert to fraction form
    52,174.52/78,267.96 = 18,910.28/x
  3. Step 3: Cross multiply
    52,174.52x = 78,267.96 × 18,910.28
  4. Step 4: Simplify right side
    52,174.52x = 1,480,069,038.63
  5. Step 5: Solve for x
    x = 1,480,069,038.63/52,174.52
  6. Step 6: Final answer
    x = 28,367.66

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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.