Home / 115,264.49-172,855.13-48,709.76

Finding the Fourth Proportional to 115,264.49, 172,855.13 and 48,709.76

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Solution

The fourth proportional to 115,264.49, 172,855.13 and 48,709.76 is: 73,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,264.49 : 172,855.13 = 48,709.76 : x
  2. Step 2: Convert to fraction form
    115,264.49/172,855.13 = 48,709.76/x
  3. Step 3: Cross multiply
    115,264.49x = 172,855.13 × 48,709.76
  4. Step 4: Simplify right side
    115,264.49x = 8,419,730,789.24
  5. Step 5: Solve for x
    x = 8,419,730,789.24/115,264.49
  6. Step 6: Final answer
    x = 73,047.05

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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.