Home / 55,110.85-76,056.91-31,834.28

Finding the Fourth Proportional to 55,110.85, 76,056.91 and 31,834.28

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Solution

The fourth proportional to 55,110.85, 76,056.91 and 31,834.28 is: 43,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.85 : 76,056.91 = 31,834.28 : x
  2. Step 2: Convert to fraction form
    55,110.85/76,056.91 = 31,834.28/x
  3. Step 3: Cross multiply
    55,110.85x = 76,056.91 × 31,834.28
  4. Step 4: Simplify right side
    55,110.85x = 2,421,217,079.43
  5. Step 5: Solve for x
    x = 2,421,217,079.43/55,110.85
  6. Step 6: Final answer
    x = 43,933.58

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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.