Home / 52,192.44-78,219.36-28,439.10

Finding the Fourth Proportional to 52,192.44, 78,219.36 and 28,439.10

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Solution

The fourth proportional to 52,192.44, 78,219.36 and 28,439.10 is: 42,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,192.44 : 78,219.36 = 28,439.10 : x
  2. Step 2: Convert to fraction form
    52,192.44/78,219.36 = 28,439.10/x
  3. Step 3: Cross multiply
    52,192.44x = 78,219.36 × 28,439.10
  4. Step 4: Simplify right side
    52,192.44x = 2,224,488,200.98
  5. Step 5: Solve for x
    x = 2,224,488,200.98/52,192.44
  6. Step 6: Final answer
    x = 42,620.89

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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.