Home / 106,432.26-159,649.02-31,553.06

Finding the Fourth Proportional to 106,432.26, 159,649.02 and 31,553.06

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Solution

The fourth proportional to 106,432.26, 159,649.02 and 31,553.06 is: 47,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,432.26 : 159,649.02 = 31,553.06 : x
  2. Step 2: Convert to fraction form
    106,432.26/159,649.02 = 31,553.06/x
  3. Step 3: Cross multiply
    106,432.26x = 159,649.02 × 31,553.06
  4. Step 4: Simplify right side
    106,432.26x = 5,037,414,308.76
  5. Step 5: Solve for x
    x = 5,037,414,308.76/106,432.26
  6. Step 6: Final answer
    x = 47,329.77

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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.