Home / 102,361.37-141,255.09-57,037.01

Finding the Fourth Proportional to 102,361.37, 141,255.09 and 57,037.01

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Solution

The fourth proportional to 102,361.37, 141,255.09 and 57,037.01 is: 78,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,361.37 : 141,255.09 = 57,037.01 : x
  2. Step 2: Convert to fraction form
    102,361.37/141,255.09 = 57,037.01/x
  3. Step 3: Cross multiply
    102,361.37x = 141,255.09 × 57,037.01
  4. Step 4: Simplify right side
    102,361.37x = 8,056,767,274.61
  5. Step 5: Solve for x
    x = 8,056,767,274.61/102,361.37
  6. Step 6: Final answer
    x = 78,709.06

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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.