Home / 112,561.20-168,872.52-37,693.68

Finding the Fourth Proportional to 112,561.20, 168,872.52 and 37,693.68

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Solution

The fourth proportional to 112,561.20, 168,872.52 and 37,693.68 is: 56,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,561.20 : 168,872.52 = 37,693.68 : x
  2. Step 2: Convert to fraction form
    112,561.20/168,872.52 = 37,693.68/x
  3. Step 3: Cross multiply
    112,561.20x = 168,872.52 × 37,693.68
  4. Step 4: Simplify right side
    112,561.20x = 6,365,426,729.67
  5. Step 5: Solve for x
    x = 6,365,426,729.67/112,561.20
  6. Step 6: Final answer
    x = 56,550.81

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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.