Home / 92,919.45-138,676.98-83,951.40

Finding the Fourth Proportional to 92,919.45, 138,676.98 and 83,951.40

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Solution

The fourth proportional to 92,919.45, 138,676.98 and 83,951.40 is: 125,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,919.45 : 138,676.98 = 83,951.40 : x
  2. Step 2: Convert to fraction form
    92,919.45/138,676.98 = 83,951.40/x
  3. Step 3: Cross multiply
    92,919.45x = 138,676.98 × 83,951.40
  4. Step 4: Simplify right side
    92,919.45x = 11,642,126,618.77
  5. Step 5: Solve for x
    x = 11,642,126,618.77/92,919.45
  6. Step 6: Final answer
    x = 125,292.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.