Home / 92,938.73-139,408.16-88,205.72

Finding the Fourth Proportional to 92,938.73, 139,408.16 and 88,205.72

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Solution

The fourth proportional to 92,938.73, 139,408.16 and 88,205.72 is: 132,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,938.73 : 139,408.16 = 88,205.72 : x
  2. Step 2: Convert to fraction form
    92,938.73/139,408.16 = 88,205.72/x
  3. Step 3: Cross multiply
    92,938.73x = 139,408.16 × 88,205.72
  4. Step 4: Simplify right side
    92,938.73x = 12,296,595,988.61
  5. Step 5: Solve for x
    x = 12,296,595,988.61/92,938.73
  6. Step 6: Final answer
    x = 132,308.64

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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.