Home / 58,198.32-87,312.06-18,754.56

Finding the Fourth Proportional to 58,198.32, 87,312.06 and 18,754.56

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Solution

The fourth proportional to 58,198.32, 87,312.06 and 18,754.56 is: 28,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,198.32 : 87,312.06 = 18,754.56 : x
  2. Step 2: Convert to fraction form
    58,198.32/87,312.06 = 18,754.56/x
  3. Step 3: Cross multiply
    58,198.32x = 87,312.06 × 18,754.56
  4. Step 4: Simplify right side
    58,198.32x = 1,637,499,267.99
  5. Step 5: Solve for x
    x = 1,637,499,267.99/58,198.32
  6. Step 6: Final answer
    x = 28,136.54

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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.