Home / 115,060.60-172,655.70-44,930.80

Finding the Fourth Proportional to 115,060.60, 172,655.70 and 44,930.80

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Solution

The fourth proportional to 115,060.60, 172,655.70 and 44,930.80 is: 67,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060.60 : 172,655.70 = 44,930.80 : x
  2. Step 2: Convert to fraction form
    115,060.60/172,655.70 = 44,930.80/x
  3. Step 3: Cross multiply
    115,060.60x = 172,655.70 × 44,930.80
  4. Step 4: Simplify right side
    115,060.60x = 7,757,558,725.56
  5. Step 5: Solve for x
    x = 7,757,558,725.56/115,060.60
  6. Step 6: Final answer
    x = 67,421.50

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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.