Home / 115,151.42-172,733.31-36,271.82

Finding the Fourth Proportional to 115,151.42, 172,733.31 and 36,271.82

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Solution

The fourth proportional to 115,151.42, 172,733.31 and 36,271.82 is: 54,409.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151.42 : 172,733.31 = 36,271.82 : x
  2. Step 2: Convert to fraction form
    115,151.42/172,733.31 = 36,271.82/x
  3. Step 3: Cross multiply
    115,151.42x = 172,733.31 × 36,271.82
  4. Step 4: Simplify right side
    115,151.42x = 6,265,351,528.32
  5. Step 5: Solve for x
    x = 6,265,351,528.32/115,151.42
  6. Step 6: Final answer
    x = 54,409.68

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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.