Home / 112,918.50-169,377.75-39,046.50

Finding the Fourth Proportional to 112,918.50, 169,377.75 and 39,046.50

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Solution

The fourth proportional to 112,918.50, 169,377.75 and 39,046.50 is: 58,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,918.50 : 169,377.75 = 39,046.50 : x
  2. Step 2: Convert to fraction form
    112,918.50/169,377.75 = 39,046.50/x
  3. Step 3: Cross multiply
    112,918.50x = 169,377.75 × 39,046.50
  4. Step 4: Simplify right side
    112,918.50x = 6,613,608,315.38
  5. Step 5: Solve for x
    x = 6,613,608,315.38/112,918.50
  6. Step 6: Final answer
    x = 58,569.75

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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.