Home / 112,911.06-169,366.89-38,083.76

Finding the Fourth Proportional to 112,911.06, 169,366.89 and 38,083.76

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Solution

The fourth proportional to 112,911.06, 169,366.89 and 38,083.76 is: 57,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,911.06 : 169,366.89 = 38,083.76 : x
  2. Step 2: Convert to fraction form
    112,911.06/169,366.89 = 38,083.76/x
  3. Step 3: Cross multiply
    112,911.06x = 169,366.89 × 38,083.76
  4. Step 4: Simplify right side
    112,911.06x = 6,450,127,143.87
  5. Step 5: Solve for x
    x = 6,450,127,143.87/112,911.06
  6. Step 6: Final answer
    x = 57,125.73

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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.