Home / 114,972.24-172,461.60-36,091.20

Finding the Fourth Proportional to 114,972.24, 172,461.60 and 36,091.20

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Solution

The fourth proportional to 114,972.24, 172,461.60 and 36,091.20 is: 54,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,972.24 : 172,461.60 = 36,091.20 : x
  2. Step 2: Convert to fraction form
    114,972.24/172,461.60 = 36,091.20/x
  3. Step 3: Cross multiply
    114,972.24x = 172,461.60 × 36,091.20
  4. Step 4: Simplify right side
    114,972.24x = 6,224,346,097.92
  5. Step 5: Solve for x
    x = 6,224,346,097.92/114,972.24
  6. Step 6: Final answer
    x = 54,137.82

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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.