Home / 112,965.74-169,449.20-38,086.54

Finding the Fourth Proportional to 112,965.74, 169,449.20 and 38,086.54

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Solution

The fourth proportional to 112,965.74, 169,449.20 and 38,086.54 is: 57,130.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,965.74 : 169,449.20 = 38,086.54 : x
  2. Step 2: Convert to fraction form
    112,965.74/169,449.20 = 38,086.54/x
  3. Step 3: Cross multiply
    112,965.74x = 169,449.20 × 38,086.54
  4. Step 4: Simplify right side
    112,965.74x = 6,453,733,262.54
  5. Step 5: Solve for x
    x = 6,453,733,262.54/112,965.74
  6. Step 6: Final answer
    x = 57,130.00

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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.