Home / 55,095.99-76,034.07-31,221.87

Finding the Fourth Proportional to 55,095.99, 76,034.07 and 31,221.87

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Solution

The fourth proportional to 55,095.99, 76,034.07 and 31,221.87 is: 43,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,095.99 : 76,034.07 = 31,221.87 : x
  2. Step 2: Convert to fraction form
    55,095.99/76,034.07 = 31,221.87/x
  3. Step 3: Cross multiply
    55,095.99x = 76,034.07 × 31,221.87
  4. Step 4: Simplify right side
    55,095.99x = 2,373,925,849.11
  5. Step 5: Solve for x
    x = 2,373,925,849.11/55,095.99
  6. Step 6: Final answer
    x = 43,087.09

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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.