Home / 56,070.38-84,121.80-16,628.44

Finding the Fourth Proportional to 56,070.38, 84,121.80 and 16,628.44

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Solution

The fourth proportional to 56,070.38, 84,121.80 and 16,628.44 is: 24,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,070.38 : 84,121.80 = 16,628.44 : x
  2. Step 2: Convert to fraction form
    56,070.38/84,121.80 = 16,628.44/x
  3. Step 3: Cross multiply
    56,070.38x = 84,121.80 × 16,628.44
  4. Step 4: Simplify right side
    56,070.38x = 1,398,814,303.99
  5. Step 5: Solve for x
    x = 1,398,814,303.99/56,070.38
  6. Step 6: Final answer
    x = 24,947.48

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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.