Home / 115,008.45-172,511.13-29,618.84

Finding the Fourth Proportional to 115,008.45, 172,511.13 and 29,618.84

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Solution

The fourth proportional to 115,008.45, 172,511.13 and 29,618.84 is: 44,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,008.45 : 172,511.13 = 29,618.84 : x
  2. Step 2: Convert to fraction form
    115,008.45/172,511.13 = 29,618.84/x
  3. Step 3: Cross multiply
    115,008.45x = 172,511.13 × 29,618.84
  4. Step 4: Simplify right side
    115,008.45x = 5,109,579,557.69
  5. Step 5: Solve for x
    x = 5,109,579,557.69/115,008.45
  6. Step 6: Final answer
    x = 44,427.86

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1.5x scale

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.