Home / 115,949.98-160,015.58-64,963.14

Finding the Fourth Proportional to 115,949.98, 160,015.58 and 64,963.14

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Solution

The fourth proportional to 115,949.98, 160,015.58 and 64,963.14 is: 89,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,949.98 : 160,015.58 = 64,963.14 : x
  2. Step 2: Convert to fraction form
    115,949.98/160,015.58 = 64,963.14/x
  3. Step 3: Cross multiply
    115,949.98x = 160,015.58 × 64,963.14
  4. Step 4: Simplify right side
    115,949.98x = 10,395,114,111.79
  5. Step 5: Solve for x
    x = 10,395,114,111.79/115,949.98
  6. Step 6: Final answer
    x = 89,651.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.