Home / 92,786.88-139,056.24-48,320.28

Finding the Fourth Proportional to 92,786.88, 139,056.24 and 48,320.28

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Solution

The fourth proportional to 92,786.88, 139,056.24 and 48,320.28 is: 72,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,786.88 : 139,056.24 = 48,320.28 : x
  2. Step 2: Convert to fraction form
    92,786.88/139,056.24 = 48,320.28/x
  3. Step 3: Cross multiply
    92,786.88x = 139,056.24 × 48,320.28
  4. Step 4: Simplify right side
    92,786.88x = 6,719,236,452.55
  5. Step 5: Solve for x
    x = 6,719,236,452.55/92,786.88
  6. Step 6: Final answer
    x = 72,415.80

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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.