Home / 55,509.66-76,584.69-31,619.43

Finding the Fourth Proportional to 55,509.66, 76,584.69 and 31,619.43

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Solution

The fourth proportional to 55,509.66, 76,584.69 and 31,619.43 is: 43,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,509.66 : 76,584.69 = 31,619.43 : x
  2. Step 2: Convert to fraction form
    55,509.66/76,584.69 = 31,619.43/x
  3. Step 3: Cross multiply
    55,509.66x = 76,584.69 × 31,619.43
  4. Step 4: Simplify right side
    55,509.66x = 2,421,564,244.53
  5. Step 5: Solve for x
    x = 2,421,564,244.53/55,509.66
  6. Step 6: Final answer
    x = 43,624.20

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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.