Home / 56,816.34-85,205.96-18,855.41

Finding the Fourth Proportional to 56,816.34, 85,205.96 and 18,855.41

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Solution

The fourth proportional to 56,816.34, 85,205.96 and 18,855.41 is: 28,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816.34 : 85,205.96 = 18,855.41 : x
  2. Step 2: Convert to fraction form
    56,816.34/85,205.96 = 18,855.41/x
  3. Step 3: Cross multiply
    56,816.34x = 85,205.96 × 18,855.41
  4. Step 4: Simplify right side
    56,816.34x = 1,606,593,225.14
  5. Step 5: Solve for x
    x = 1,606,593,225.14/56,816.34
  6. Step 6: Final answer
    x = 28,276.96

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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.