Home / 92,983.25-139,393.08-36,862.78

Finding the Fourth Proportional to 92,983.25, 139,393.08 and 36,862.78

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Solution

The fourth proportional to 92,983.25, 139,393.08 and 36,862.78 is: 55,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,983.25 : 139,393.08 = 36,862.78 : x
  2. Step 2: Convert to fraction form
    92,983.25/139,393.08 = 36,862.78/x
  3. Step 3: Cross multiply
    92,983.25x = 139,393.08 × 36,862.78
  4. Step 4: Simplify right side
    92,983.25x = 5,138,416,441.56
  5. Step 5: Solve for x
    x = 5,138,416,441.56/92,983.25
  6. Step 6: Final answer
    x = 55,261.74

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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.