Home / 112,761.54-169,145.10-37,884.30

Finding the Fourth Proportional to 112,761.54, 169,145.10 and 37,884.30

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Solution

The fourth proportional to 112,761.54, 169,145.10 and 37,884.30 is: 56,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,761.54 : 169,145.10 = 37,884.30 : x
  2. Step 2: Convert to fraction form
    112,761.54/169,145.10 = 37,884.30/x
  3. Step 3: Cross multiply
    112,761.54x = 169,145.10 × 37,884.30
  4. Step 4: Simplify right side
    112,761.54x = 6,407,943,711.93
  5. Step 5: Solve for x
    x = 6,407,943,711.93/112,761.54
  6. Step 6: Final answer
    x = 56,827.39

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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.