Home / 115,037.91-172,555.85-29,648.55

Finding the Fourth Proportional to 115,037.91, 172,555.85 and 29,648.55

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Solution

The fourth proportional to 115,037.91, 172,555.85 and 29,648.55 is: 44,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037.91 : 172,555.85 = 29,648.55 : x
  2. Step 2: Convert to fraction form
    115,037.91/172,555.85 = 29,648.55/x
  3. Step 3: Cross multiply
    115,037.91x = 172,555.85 × 29,648.55
  4. Step 4: Simplify right side
    115,037.91x = 5,116,030,598.27
  5. Step 5: Solve for x
    x = 5,116,030,598.27/115,037.91
  6. Step 6: Final answer
    x = 44,472.56

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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.