Home / 115,333.10-172,947.68-48,738.94

Finding the Fourth Proportional to 115,333.10, 172,947.68 and 48,738.94

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Solution

The fourth proportional to 115,333.10, 172,947.68 and 48,738.94 is: 73,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,333.10 : 172,947.68 = 48,738.94 : x
  2. Step 2: Convert to fraction form
    115,333.10/172,947.68 = 48,738.94/x
  3. Step 3: Cross multiply
    115,333.10x = 172,947.68 × 48,738.94
  4. Step 4: Simplify right side
    115,333.10x = 8,429,286,598.66
  5. Step 5: Solve for x
    x = 8,429,286,598.66/115,333.10
  6. Step 6: Final answer
    x = 73,086.45

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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.