Home / 106,548.48-147,037.41-58,803.21

Finding the Fourth Proportional to 106,548.48, 147,037.41 and 58,803.21

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Solution

The fourth proportional to 106,548.48, 147,037.41 and 58,803.21 is: 81,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,548.48 : 147,037.41 = 58,803.21 : x
  2. Step 2: Convert to fraction form
    106,548.48/147,037.41 = 58,803.21/x
  3. Step 3: Cross multiply
    106,548.48x = 147,037.41 × 58,803.21
  4. Step 4: Simplify right side
    106,548.48x = 8,646,271,698.09
  5. Step 5: Solve for x
    x = 8,646,271,698.09/106,548.48
  6. Step 6: Final answer
    x = 81,148.71

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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.