Home / 75,149.32-112,706.29-35,195.77

Finding the Fourth Proportional to 75,149.32, 112,706.29 and 35,195.77

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Solution

The fourth proportional to 75,149.32, 112,706.29 and 35,195.77 is: 52,785.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149.32 : 112,706.29 = 35,195.77 : x
  2. Step 2: Convert to fraction form
    75,149.32/112,706.29 = 35,195.77/x
  3. Step 3: Cross multiply
    75,149.32x = 112,706.29 × 35,195.77
  4. Step 4: Simplify right side
    75,149.32x = 3,966,784,013.32
  5. Step 5: Solve for x
    x = 3,966,784,013.32/75,149.32
  6. Step 6: Final answer
    x = 52,785.36

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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.