Home / 106,945.77-160,709.46-57,061.11

Finding the Fourth Proportional to 106,945.77, 160,709.46 and 57,061.11

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Solution

The fourth proportional to 106,945.77, 160,709.46 and 57,061.11 is: 85,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,945.77 : 160,709.46 = 57,061.11 : x
  2. Step 2: Convert to fraction form
    106,945.77/160,709.46 = 57,061.11/x
  3. Step 3: Cross multiply
    106,945.77x = 160,709.46 × 57,061.11
  4. Step 4: Simplify right side
    106,945.77x = 9,170,260,175.10
  5. Step 5: Solve for x
    x = 9,170,260,175.10/106,945.77
  6. Step 6: Final answer
    x = 85,746.82

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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.