Home / 112,940.87-169,376.75-38,040.93

Finding the Fourth Proportional to 112,940.87, 169,376.75 and 38,040.93

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Solution

The fourth proportional to 112,940.87, 169,376.75 and 38,040.93 is: 57,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,940.87 : 169,376.75 = 38,040.93 : x
  2. Step 2: Convert to fraction form
    112,940.87/169,376.75 = 38,040.93/x
  3. Step 3: Cross multiply
    112,940.87x = 169,376.75 × 38,040.93
  4. Step 4: Simplify right side
    112,940.87x = 6,443,249,090.38
  5. Step 5: Solve for x
    x = 6,443,249,090.38/112,940.87
  6. Step 6: Final answer
    x = 57,049.76

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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.