Home / 112,743.87-169,135.29-37,871.25

Finding the Fourth Proportional to 112,743.87, 169,135.29 and 37,871.25

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Solution

The fourth proportional to 112,743.87, 169,135.29 and 37,871.25 is: 56,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,743.87 : 169,135.29 = 37,871.25 : x
  2. Step 2: Convert to fraction form
    112,743.87/169,135.29 = 37,871.25/x
  3. Step 3: Cross multiply
    112,743.87x = 169,135.29 × 37,871.25
  4. Step 4: Simplify right side
    112,743.87x = 6,405,364,851.41
  5. Step 5: Solve for x
    x = 6,405,364,851.41/112,743.87
  6. Step 6: Final answer
    x = 56,813.42

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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.