Home / 55,128.99-76,083.66-32,475.11

Finding the Fourth Proportional to 55,128.99, 76,083.66 and 32,475.11

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Solution

The fourth proportional to 55,128.99, 76,083.66 and 32,475.11 is: 44,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128.99 : 76,083.66 = 32,475.11 : x
  2. Step 2: Convert to fraction form
    55,128.99/76,083.66 = 32,475.11/x
  3. Step 3: Cross multiply
    55,128.99x = 76,083.66 × 32,475.11
  4. Step 4: Simplify right side
    55,128.99x = 2,470,825,227.70
  5. Step 5: Solve for x
    x = 2,470,825,227.70/55,128.99
  6. Step 6: Final answer
    x = 44,818.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.