Home / 115,260.49-172,849.13-48,705.76

Finding the Fourth Proportional to 115,260.49, 172,849.13 and 48,705.76

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Solution

The fourth proportional to 115,260.49, 172,849.13 and 48,705.76 is: 73,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,260.49 : 172,849.13 = 48,705.76 : x
  2. Step 2: Convert to fraction form
    115,260.49/172,849.13 = 48,705.76/x
  3. Step 3: Cross multiply
    115,260.49x = 172,849.13 × 48,705.76
  4. Step 4: Simplify right side
    115,260.49x = 8,418,747,134.21
  5. Step 5: Solve for x
    x = 8,418,747,134.21/115,260.49
  6. Step 6: Final answer
    x = 73,041.05

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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.