Home / 115,244.07-172,826.11-40,362.55

Finding the Fourth Proportional to 115,244.07, 172,826.11 and 40,362.55

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Solution

The fourth proportional to 115,244.07, 172,826.11 and 40,362.55 is: 60,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,244.07 : 172,826.11 = 40,362.55 : x
  2. Step 2: Convert to fraction form
    115,244.07/172,826.11 = 40,362.55/x
  3. Step 3: Cross multiply
    115,244.07x = 172,826.11 × 40,362.55
  4. Step 4: Simplify right side
    115,244.07x = 6,975,702,506.18
  5. Step 5: Solve for x
    x = 6,975,702,506.18/115,244.07
  6. Step 6: Final answer
    x = 60,529.82

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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.