Home / 106,820.76-160,228.98-31,941.24

Finding the Fourth Proportional to 106,820.76, 160,228.98 and 31,941.24

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Solution

The fourth proportional to 106,820.76, 160,228.98 and 31,941.24 is: 47,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,820.76 : 160,228.98 = 31,941.24 : x
  2. Step 2: Convert to fraction form
    106,820.76/160,228.98 = 31,941.24/x
  3. Step 3: Cross multiply
    106,820.76x = 160,228.98 × 31,941.24
  4. Step 4: Simplify right side
    106,820.76x = 5,117,912,305.14
  5. Step 5: Solve for x
    x = 5,117,912,305.14/106,820.76
  6. Step 6: Final answer
    x = 47,911.21

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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.