Home / 67,131.64-92,660.34-38,467.36

Finding the Fourth Proportional to 67,131.64, 92,660.34 and 38,467.36

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Solution

The fourth proportional to 67,131.64, 92,660.34 and 38,467.36 is: 53,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131.64 : 92,660.34 = 38,467.36 : x
  2. Step 2: Convert to fraction form
    67,131.64/92,660.34 = 38,467.36/x
  3. Step 3: Cross multiply
    67,131.64x = 92,660.34 × 38,467.36
  4. Step 4: Simplify right side
    67,131.64x = 3,564,398,656.50
  5. Step 5: Solve for x
    x = 3,564,398,656.50/67,131.64
  6. Step 6: Final answer
    x = 53,095.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.