Home / 52,174.24-78,260.05-28,504.78

Finding the Fourth Proportional to 52,174.24, 78,260.05 and 28,504.78

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Solution

The fourth proportional to 52,174.24, 78,260.05 and 28,504.78 is: 42,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,174.24 : 78,260.05 = 28,504.78 : x
  2. Step 2: Convert to fraction form
    52,174.24/78,260.05 = 28,504.78/x
  3. Step 3: Cross multiply
    52,174.24x = 78,260.05 × 28,504.78
  4. Step 4: Simplify right side
    52,174.24x = 2,230,785,348.02
  5. Step 5: Solve for x
    x = 2,230,785,348.02/52,174.24
  6. Step 6: Final answer
    x = 42,756.45

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1.5x scale

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.