Home / 106,670.16-159,829.92-36,511.20

Finding the Fourth Proportional to 106,670.16, 159,829.92 and 36,511.20

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Solution

The fourth proportional to 106,670.16, 159,829.92 and 36,511.20 is: 54,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,670.16 : 159,829.92 = 36,511.20 : x
  2. Step 2: Convert to fraction form
    106,670.16/159,829.92 = 36,511.20/x
  3. Step 3: Cross multiply
    106,670.16x = 159,829.92 × 36,511.20
  4. Step 4: Simplify right side
    106,670.16x = 5,835,582,175.10
  5. Step 5: Solve for x
    x = 5,835,582,175.10/106,670.16
  6. Step 6: Final answer
    x = 54,706.79

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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.