Home / 87,096.49-130,703.06-30,934.33

Finding the Fourth Proportional to 87,096.49, 130,703.06 and 30,934.33

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Solution

The fourth proportional to 87,096.49, 130,703.06 and 30,934.33 is: 46,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,096.49 : 130,703.06 = 30,934.33 : x
  2. Step 2: Convert to fraction form
    87,096.49/130,703.06 = 30,934.33/x
  3. Step 3: Cross multiply
    87,096.49x = 130,703.06 × 30,934.33
  4. Step 4: Simplify right side
    87,096.49x = 4,043,211,435.38
  5. Step 5: Solve for x
    x = 4,043,211,435.38/87,096.49
  6. Step 6: Final answer
    x = 46,422.21

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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.