Home / 102,716.70-153,977.85-60,629.10

Finding the Fourth Proportional to 102,716.70, 153,977.85 and 60,629.10

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Solution

The fourth proportional to 102,716.70, 153,977.85 and 60,629.10 is: 90,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,716.70 : 153,977.85 = 60,629.10 : x
  2. Step 2: Convert to fraction form
    102,716.70/153,977.85 = 60,629.10/x
  3. Step 3: Cross multiply
    102,716.70x = 153,977.85 × 60,629.10
  4. Step 4: Simplify right side
    102,716.70x = 9,335,538,465.44
  5. Step 5: Solve for x
    x = 9,335,538,465.44/102,716.70
  6. Step 6: Final answer
    x = 90,886.28

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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.