Home / 31,099.53-46,649.10-7,725.96

Finding the Fourth Proportional to 31,099.53, 46,649.10 and 7,725.96

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Solution

The fourth proportional to 31,099.53, 46,649.10 and 7,725.96 is: 11,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099.53 : 46,649.10 = 7,725.96 : x
  2. Step 2: Convert to fraction form
    31,099.53/46,649.10 = 7,725.96/x
  3. Step 3: Cross multiply
    31,099.53x = 46,649.10 × 7,725.96
  4. Step 4: Simplify right side
    31,099.53x = 360,409,080.64
  5. Step 5: Solve for x
    x = 360,409,080.64/31,099.53
  6. Step 6: Final answer
    x = 11,588.89

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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.